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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
Feedback
RSA0025756
Abronia latifolia
H. A. Barker
1927-5-14
667
San Mateo
North of Half Moon Bay.
Comment
SEINET11941810
Abronia latifolia
E. A. Purer
1933-1
5381
San Mateo
Sand dunes, 2 mi S of Pigeon Point
Comment
UC577087
Abronia umbellata
Lewis S. Rose
1935-10-12
35654
San Mateo
Salada
3
Comment
SEINET7042346
Abronia villosa
A. G. Vestal
1962-3-26
s.n.
San Mateo
Laguna Salada. San Francisco South quadrangle UTM Zone 10, 545384mE, 4164305mN.
Comment
RSA0065213
Acacia
A. C. Sanders
2014-8-3
41230
San Mateo
South San Francisco, San Francisco Bay Trail in vicinity of S Airport Drive, Utah Ave., and Haskins Way, between Hwy 101 and San Francisco Bay.
3
Comment
SJSU8181
Acaena pinnatifida var. californica
S. H. Casey
1969-4-17
228
San Mateo
Colma Canyon, San Bruno Mountain
Comment
UC764000
Acaena pinnatifida var. californica
R. F. Hoover
1939-4-21
4053
San Mateo
2 mi. s. Colma
Comment
CAS-BOT-BC219599
Acanthomintha duttonii
A. D. E. Elmer
1903-5-1
4538
San Mateo
Crystal Springs Lake
Comment
CAS-BOT-BC219607
Acanthomintha duttonii
A. D. E. Elmer
1903-5-1
4538
San Mateo
Crystal Springs Lake
Comment
JEPS70085
Acanthomintha duttonii
L. R. Heckard and J. H. Thomas
1972-4-16
2903
San Mateo
Upper Crystal Springs Reservoir, below and w of State Hwy interchange Upper Crystal Springs Reservoir
Comment
CAS-BOT-BC73
Acanthomintha obovata subsp. duttonii
Harry A. Dutton
1900-4-17
s.n.
San Mateo
Woodside
Comment
RSA0076538
Acanthomintha obovata subsp. duttonii
L. R. Abrams
1920-6-1
7500
San Mateo
Back of Redwood City.
Comment
RSA0076541
Acanthomintha obovata subsp. duttonii
Fay Gilbert
1920-6-1
s.n.
San Mateo
Back of Redwood City.
Comment
CAS-BOT-BC333290
Acer macrophyllum
A. D. E. Elmer
1903-5-1
4509
San Mateo
Portola
Comment
JROH153
Acer macrophyllum
Le Roy Abrams
1902-4-6
2314
San Mateo
Jasper Ridge Biological Preserve, Stanford University
110
Comment Read comments Feb 20 2015
JROH154
Acer macrophyllum
John H. Thomas
1969-4-12
14882
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Grassy area below dam, near stream.
88
Comment
JROH158
Acer macrophyllum
John H. Thomas
1975-6-5
17948
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Below Searsville Dam
91
Comment
RSA116907
Acer macrophyllum
W. R. Dudley
1906-6-30
s.n.
San Mateo
Los Truncos Road, near Los Truncos Dairy
Comment
RSA116908
Acer macrophyllum
W. R. Dudley
1906-6-14
s.n.
San Mateo
San Francisquito Creek, near Cedro Cottage Stanford University
Comment
CAS-BOT-BC333212
Acer macrophyllum
W. R. Dudley
1906-6-30
s.n.
San Mateo
Santa Cruz Mountain Peninsula. LosTrancos Road near Las Trancos Dairy
Comment
UCD117104
Acer negundo
R. E. Dengler
1960-4-20
17
San Mateo
near Corte de Madera Creek, 0.5 mile from its drainage into Searseville Lake, Jasper Ridge, Stanford Biological Reserve.
375
Comment
CAS-BOT-BC337446
Acer negundo var. negundo
J. H. Thomas
1954-4-21
3942
San Mateo
San Francisquito Creek
0
Comment
CAS-BOT-BC21579
Achillea millefolium
John H. Thomas
1963-5-20
10141
San Mateo
Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz
Comment
CAS-BOT-BC21597
Achillea millefolium
John H. Thomas
1961-5-7
9311
San Mateo
San Bruno Mountain in northern part of county
396
Comment
JROH454
Achillea millefolium
John Hunter Thomas
1989-5-9
24703
San Mateo
Jasper Ridge Biological Preserve, Stanford University
180
Comment
SJSU8173
Achillea millefolium
R. J. Plant
1965-10-23
San Mateo
San Gregorio Beach
Comment
UCSB22461
Achillea millefolium
1964-3-24
San Mateo
About 8/10 of a mile off Skyline Blvd. along Sawyer Camp Road, the entrance off Millbrae Ave., around Crystal Spring Lake
106
Comment Read comments Sep 9 2011
RSA719885
Achillea millefolium
Linda E. Watson
1996-5-17
96 -1
San Mateo
In Pescadero State Beach on CA1, just south of San Gregorio.
Comment
JROH458
Achyrachaena mollis
John H. Thomas
1961-4-8
9071
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH475
Achyrachaena mollis
John Hunter Thomas
1988-5-3
24447
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
SEINET957844
Acmispon brachycarpus
A. D. E. Elmer
1903-1
3698
San Mateo
Leland Stanford universoty. Belmont.
Comment
JROH2085
Acmispon wrangelianus
John H. Thomas
1956-4-7
5614 A
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH2096
Acmispon wrangelianus
John H. Thomas
1970-4-29
15617
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH2103
Acmispon wrangelianus
John Hunter Thomas
1980-4-10
19874
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
SJSU15953
Acmispon wrangelianus
John Rawlings, Ken Hickman
2016-5-26
1830
San Mateo
Serpentine seep area up-slope from the Hwy 92 west onramp to Hwy 280 north; down-slope from San Francisco Watershed fence line
122
Comment
JROH3400
Actaea rubra
Carol Zabel
1989-8-27
32
San Mateo
Jasper Ridge Biological Preserve, Stanford University. From the "redwood circle" on Trail 1, go east 10-12 m. South side of trail just before a 1-m-high rock.
Comment
UC1125857
Actaea rubra
G. E. Sindel
1935-7-29
314
San Mateo
El Corte de Madera Santa Cruz Quad., El Corte de Madera
Comment
CAS-BOT-BC391675
Actaea rubra
W. R. Dudley
1904-4-23
s.n.
San Mateo
Santa Cruz Mountain Peninsula. By lower part Goat Ranch Creek
Comment
SDSU2646
Adelinia grandis
D. F. Howe
1967-4-14
4349
San Mateo
San Francisco Game Reserve near San Bruno.
91
Comment
CAS-BOT-BC139956
Adenostoma fasciculatum
David D. Keck
1932-5-25
1781
San Mateo
Hills two miles west of Belmont
Comment
JROH3591
Adenostoma fasciculatum var. fasciculatum
John Hunter Thomas
1987-5-26
24317
San Mateo
Jasper Ridge Biological Preserve, Stanford University
160
Comment
CAS-BOT-BC65671
Adiantum jordanii
Margaret Barry
1937-5-15
139
San Mateo
Coal Mine Ridge
Comment
UC1063727
Adiantum jordanii
G. E. Sindel
1935-8-2
322
San Mateo
head of <Harington> Creek; Santa Cruz Quadrangle
Comment
SBBG51161
Adiantum jordanii
J. Doty
1969-3-27
610
San Mateo
S side of St Hwy 84, ca. 500 ft W of Bridge no 35-165, ca. 6 mi E of St Hwy 1
Comment
CAS-BOT-BC202682
Aesculus californica
Margaret A. Barry
1937-6-24
184
San Mateo
On Coal Mine Ridge
Comment
UC615561
Aesculus californica
Beryl O. Schreiber
1932-5-29
313
San Mateo
near San Mateo
Comment
UCR3560
Aesculus californica
Wm. Horn Jr.
1963-6-10
630610- 2
San Mateo
San Francisco Bay Region, Hillsborough [Burlingame], 2240 Redington Road
30
Comment
CAS-BOT-BC29525
Agoseris apargioides
Alice Eastwood
1915-6-13
4715
San Mateo
Granada
Comment
RSA292572
Agoseris grandiflora
Lyman Benson
1935-5-12
6553
San Mateo
Menlo Park
30
Comment
CAS-BOT-BC23024
Agoseris grandiflora var. grandiflora
A. D. E. Elmer
1903-4-1
4490
San Mateo
Crystal Springs Lake
Comment
CAS-BOT-BC23023
Agoseris grandiflora var. grandiflora
E. McClintock; Phillip Wheeler
1965-5-23
s.n.
San Mateo
Top of ridge, east of Nike station
Comment
CAS-BOT-BC46127
Agoseris heterophylla
Ned Cahill
1974-4-19
142
San Mateo
Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City
Comment
CAS-BOT-BC15232
Agoseris hirsuta
W. R. Dudley
1893-5-1
s.n.
San Mateo
North of San Bruno
Comment
CAS-BOT-BC15247
Agoseris hirsuta
Elizabeth McClintock; Phillip C. Wheeler
1965-5-23
s.n.
San Mateo
San Bruno Mountain, top of ridge East of Nike Station
Comment
JROH4780
Agrostis capillaris
John Rawlings
2011-6-20
1072
San Mateo
Jasper Ridge Biological Preserve, Stanford University. South side of Caretaker Residence.
105
Comment
UC143951
Agrostis densiflora
Dr. E. B. Copeland
1903-8-13
3308
San Mateo
Montara Point
Comment Read comments Nov 29 2009
UC1537361
Agrostis exarata
Gordon H. True Jr.
1937-10-16
849
San Mateo
near Thornton Beach
15
Comment
CAS-BOT-BC139459
Agrostis hallii
Elizabeth McClintock; Paul Reeberg
1989-6-1
s.n.
San Mateo
San Bruno Mountains. Juncus Ravine.
182
Comment
CAS-BOT-BC139465
Agrostis hallii
A. D. E. Elmer
1903-6-1
4264
San Mateo
Alpine School House.
Comment
CAS-BOT-BC138951
Agrostis pallens
W. Knight; I. Knight
1964-5-4
s.n.
San Mateo
San Bruno Mountain. Colma Canyon, south ridge.
Comment
JROH4797
Agrostis pallens
W. R. Dudley
1903-1-1
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near Searsville Lake
Comment
RSA290667
Agrostis stolonifera
Lyman Benson
1937-7-20
8462
San Mateo
Menlo Park, San Francisco Bay. Lawn at 736 Partridge Ave.
30
Comment
UC766883
Agrostis viridis
R. F. Hoover
1940-9-1
4548
San Mateo
La Honda summit La Honda
Comment
JEPS101121
Aira caryophyllea
Dean W. Taylor
1991-5-20
11786
San Mateo
coastal bluffs near south bank of Pescadero Creek at Highway 1
9
Comment
JROH4836
Aira caryophyllea
John Rawlings
2013-4-19
1152
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Mossy verge of Trail 11 through chaparral.
144
Comment
UCSC008506
Aira praecox
Randall Morgan
2013-5-24
5526
San Mateo
Bean Hollow State Beach
Comment
UC814494
Alisma plantago-aquatica
Lewis S. Rose
1941-9-13
41440
San Mateo
stream bottom San Mateo Canyon
60
Comment
CAS-BOT-BC447499
Allium amplectens
Le Roy Abrams
1902-5-8
2431
San Mateo
Standford University
Comment
SEINET12049324
Allium amplectens
H. L. Mason
1921-1
s.n.
San Mateo
Jasper Ridge
Comment
CAS-BOT-BC467294
Allium dichlamydeum
Philip C. Wheeler
1965-5-8
s.n.
San Mateo
Sierra Point
Comment
JROH4550
Allium falcifolium
John H. Thomas
1957-4-16
6662
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Open serpentine area on top of ridge and adjacent slopes
Comment
UC796644
Allium falcifolium
Ira L. Wiggins
1949-4-23
12049
San Mateo
w Redwood City (hills near Emerald Lakes); Emerald Lakes
Comment
CAS-BOT-BC469038
Allium falcifolium
Lawrence Beane
1949-4-23
188
San Mateo
Hillsides west of Redwood City
Comment
CAS-BOT-BC132026
Allium peninsulare var. franciscanum
D. E. Breedlove
1963-5-13
4942
San Mateo
On the SE corner of the junction of Crystal Springs Road and Polhemus Road, W of San Mateo
Comment
CAS-BOT-BC132034
Allium peninsulare var. franciscanum
A. D. E. Elmer
1903-6-1
4595
San Mateo
San Mateo
Comment
UC142808
Allium peninsulare var. franciscanum
C. F. Baker
1902-5-10
809
San Mateo
Crystal Springs Lake
Comment
JROH1329
Alnus rhombifolia
John Hunter Thomas
1992-5-26
25351
San Mateo
Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek near bridge & below the dam
Comment
JROH175
Amaranthus albus
John H. Thomas
1974-10-29
17650
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
SD255621
Amaranthus deflexus
A. C. Sanders
2015-12-27
41888
San Mateo
San Francisco Peninsula: San Bruno, along Hwy 82 between 380 Fwy and San Bruno Ave (San Francisco South 7.5'Q)
14
Comment
RSA22216
Amaranthus powellii
J. T. Howell
1938-5-1
13772
San Mateo
Colma Canyon
Comment
JROH4575
Amaryllis belladonna
Ann Lambrecht
2007-9-5
43
San Mateo
Jasper Ridge Biological Preserve, Stanford University. At old garden near Douglas iris site.
Comment
SEINET11855111
Ambrosia chamissonis
Unknown
1932-1
9246
San Mateo
Half Moon Bay
Comment
POM139628
Amelanchier pallida
A. D. E. Elmer
1903-05
4659
San Mateo
Slates Creek.
Comment
SD41381
Ammophila arenaria
Edith A. Purer
1933-7-27
5390
San Mateo
Open sand dune area, two miles south of Pigeon Point.
Comment
JEPS26834
Amsinckia intermedia
Rimo Bacigalupi with H. G. Baker and L. R. Heckard
1961-5-14
7697
San Mateo
3/4 mi below and se of Stone Dam Resevoir (in canyon of Pilarcitos Creek, w base of Cahill Ridge); Pilarcitos Creek
152
Comment
UCSC007718
Anagallis arvensis
Becky Hendricks
2012-5-16
s.n.
San Mateo
Ano Nuevo State Park
Comment
JROH3373
Anagallis minima
John H. Thomas
1973-4-14
16563
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC45187
Anaphalis margaritacea
Walter Knight; Irja Knight
1964-3-15
576
San Mateo
San Bruno Mountain, Colusa Canyon
Comment
RSA249495
Anaphalis margaritacea
John F. Emmel
1971-9-6
388
San Mateo
NE facing slope 0.4 air mile SSW of Midway Village School on 1956 topo quad., above Guadalupe cyn. parkway, San Bruno Mts.
99
Comment
UCD128852
Anaphalis margaritacea
J. M Tucker
1951-8-6
2220
San Mateo
M. R. Mattei Ranch, ca. 1.5 miles northeast of Pescadero.
Comment
CAS-BOT-BC45268
Ancistrocarphus filagineus
John H. Thomas
1971-5-2
15834
San Mateo
Intersection of Canada Road and Edgewater Road, about 3 miles westward from Redwood City.
152
Comment
CAS-BOT-BC391914
Anemone grayi
J. H. Thomas
1949-4-14
274
San Mateo
Kings Mountain
Comment
CAS-BOT-BC221452
Angelica hendersonii
Lewis S. Rose
1937-9-5
37647
San Mateo
Mussel Rocks
60
Comment
CAS-BOT-BC221453
Angelica hendersonii
Saichi Kawahara
1968-6-15
427
San Mateo
Pescadero Beach, 150 yards south of mouth of Pescadero Creek, Highway 1
4
Comment
UC830895
Anisocarpus madioides
Lewis S. Rose
1941-7-2
41287
San Mateo
Kings Mountain
548
Comment
CAS-BOT-BC273171
Anisocarpus madioides
Lawrence Beane
1949-6-2
466
San Mateo
Between La Honda and coast
Comment
CAS-BOT-BC273175
Anisocarpus madioides
W. R. Dudley
1900-5-19
s.n.
San Mateo
Santa Cruz Mountain Peninsula. By road near La Honda Summit
213
Comment
JROH201
Anthriscus caucalis
John H. Thomas
1978-5-16
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA101012
Anthriscus caucalis
G. Oberlander
1950-4-16
735
San Mateo
Lower Crystal Springs Lake, San Francisco Watershed Reserve
Comment
CAS-BOT-BC454483
Aphanes occidentalis
John H. Thomas
1955-4-6
4847
San Mateo
East facing slope of San Bruno Mountain just north of South San Francisco.
91
Comment
JROH3610
Aphanes occidentalis
John Hunter Thomas
1987-4-4
24170
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UC555316
Aphanes occidentalis
Herbert L. Mason
1927-4-23
3688
San Mateo
Summit of road between La Honda and Pescadero Creek
Comment
UC306538
Apiastrum angustifolium
A. D. E. Elmer
June, 1903
4461
San Mateo
southern end of Crystal Springs Lake Crystal Springs Lake
Comment
CAS-BOT-BC392069
Aquilegia eximia
George Oberlander
1950-6-3
1095
San Mateo
San Francisco Watershed Reserve. Near south boundary
Comment
CAS-BOT-BC405852
Aquilegia formosa
Le Roy Abrams
1902-4-13
2343
San Mateo
Crystal springs
Comment
CAS-BOT-BC405853
Aquilegia formosa
David D. Keck
1932-5-11
1771
San Mateo
Three miles west of Kings Mountain, on the road to Tunitas, west slope of Santa Cruz Mountains.
450
Comment
SD1680
Aquilegia formosa
Ulysses S. Grant IV
1925-6-1
San Mateo
near La Honda
Comment
POM150408
Aquilegia formosa var. truncata
C. F. Baker
1902-3-30
422
San Mateo
Crystal Springs Lake
Comment
RSA87797
Aquilegia formosa var. truncata
L. R. Abrams
1902-4-13
23463
San Mateo
Crystal Spring.
Comment
CAS-BOT-BC17331
Arabis blepharophylla
Lewis S. Rose
1961-4-5
61032
San Mateo
San Bruno Mountains.
365
Comment
JEPS90964
Arabis blepharophylla
Dean W. Taylor
1992-3-19
12334
San Mateo
in saddle just e of San Pedro Mountain reached via old paved road from San Pedro Valley (Santa Cruz Mountains, Montara Mountain); Santa Cruz Mountains, Montara Mountain
274
Comment
SEINET5539301
Arabis filifolia
H. S. Gentry
1931-1
San Mateo
Comment Read comments Mar 12 2016
JROH1917
Arbutus menziesii
John H. Thomas
1967-4-20
12711
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC24128
Arctostaphylos andersonii
J. H. Thomas
1954-2-13
3686
San Mateo
Along Skyline Highway between Kings Mt. Road and La. Honda Road.
609
Comment
CAS-BOT-BC24172
Arctostaphylos andersonii
John H. Thomas
1968-12-18
14876
San Mateo
Along Skyline Blvd. between Gulch Road and la Honda Rd.
457
Comment
SD38430
Arctostaphylos andersonii
Edith A. Purer
1933-5-23
3602
San Mateo
Skyline Drive.
Comment
UCD50391
Arctostaphylos andersonii
Robert E. Preston
2001-6-1
1537
San Mateo
Ca. 7 mi. nw of Boulder Creek.
658
Comment
UCD50392
Arctostaphylos andersonii
Robert E. Preston
2001-5-29
1533
San Mateo
Ca. 9 mi nnw of Boulder Creek.
377
Comment
SEINET11988250
Arctostaphylos andersonii
Unknown
1959-1
323
San Mateo
1.2 mi from junction of CA 5 on Kings Mt. Road
Comment
SEINET11989287
Arctostaphylos andersonii var. imbricata
W. Knight, Knight, I.; McClintock, E.
1982-1
4445
San Mateo
Kamchatka Point, San Bruno Mt
Comment
CAS-BOT-BC23508
Arctostaphylos crustacea
L. S. Rose
1932-1-29
3221
San Mateo
Belmont
Comment
CAS-BOT-BC23510
Arctostaphylos crustacea
Margaret A. Barry
1938-5-22
s.n.
San Mateo
Small patch on top of Coal Mine Ridge
Comment
JROH1934
Arctostaphylos crustacea subsp. crustacea
John H. Thomas
1974-4-25
17208
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near Searsville end of ridge
Comment
JROH1938
Arctostaphylos crustacea subsp. crustacea
John H. Thomas
1968-2-11
14145
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH1944
Arctostaphylos crustacea subsp. crustacea
John Hunter Thomas
1987-4-30
24211
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
SBBG83928
Arctostaphylos crustacea subsp. crustacea
R. Gankin
1959-2-22
322
San Mateo
2.8 mi from jct with Hwy 5 on King's Mtn Rd
Comment
RSA681641
Arctostaphylos edmundsii
Annuschka Deb
1989-1-27
17 -a
San Mateo
Woodside.
Comment Read comments Dec 6 2014
SJSU6083
Arctostaphylos glandulosa
S. H. Casey
1969-5-18
259
San Mateo
near summit of San Bruno Mt
Comment
CAS-BOT-BC24498
Arctostaphylos imbricata
Lewis S. Rose
1955-2-23
55002
San Mateo
San Bruno Hills. Ridge e. of TV Station. Type Locality.
Comment
JEPS27359
Arctostaphylos imbricata
Rimo Bacigalupi with Jim Roof and L. Heckard
1961-4-24
7619
San Mateo
lateral ridge below and se of end of paved ridgetop rd just e of KRON TV tower and station (on Guadalupe Valley side of mt.); San Bruno Mountain
304
Comment
RSA632766
Arctostaphylos imbricata
Jon E. Keeley
1996-6-24
27565
San Mateo
On knob below end of paved road at top of San Bruno Mountain.
350
Comment
RSA502351
Arctostaphylos imbricata
D. W. Taylor
1988-4-29
9584
San Mateo
San Bruno Mountain, northern slope of mountain 0.3 miles N22deg. W of summit (as depicted on San Francisco South 7.5' USGS quadrangle)
371
Comment
CAS-BOT-BC27160
Arctostaphylos montaraensis
W. Knight; Irja Knight
1967-1-19
2056
San Mateo
Montara Mt.
335
Comment
CAS-BOT-BC38523
Arctostaphylos montaraensis
Jacob Sigg; Elizabeth McClintock; Walter Knight; Irja Knight
1981-3-11
4087
San Mateo
Collected from near Pacific Rock on San Bruno Mt.
Comment
CAS-BOT-BC38524
Arctostaphylos montaraensis
Walter Knight; Irja Knight
1981-1-25
3933
San Mateo
Collected from San Bruno Mt.
Comment
CAS-BOT-BC40167
Arctostaphylos montaraensis
Roman Gankin; W. R. Hildreth
1966-5-17
738
San Mateo
Southeast-facing slope of Montara Mountain.
Comment
UC21805
Arctostaphylos montaraensis
C. T. Blake
1893-5-27
San Mateo
Pilarcitos Reservoir
Comment
SEINET11987172
Arctostaphylos montaraensis
J. Sigg, McClintock, E.; Knight, W.; Knight, I.
1981-1
4087
San Mateo
Strybing Arboretum, San Francisco, orig. from San Bruno Mt. in 1963
Comment
SEINET11989284
Arctostaphylos montaraensis
W. Knight, Knight, I.; McClintock, E.
1982-1
4446
San Mateo
Pacific Rock area, San Bruno Mt
Comment
SEINET11993723
Arctostaphylos montaraensis
W. Knight, Knight, I.; Wells, P. V.
1986-1
5373
San Mateo
San Bruno Mountain
343
Comment
CAS-BOT-BC27198
Arctostaphylos pacifica
James B. Roof
1961-4-18
s.n.
San Mateo
NE face of San Bruno Mountain
335
Comment
CAS-BOT-BC44738
Arctostaphylos regismontana
Carl B. Wolf
1930-11-6
1067
San Mateo
2 miles north of summit of Kings Mt., Skyline Blvd.
640
Comment
UC1120829
Arctostaphylos regismontana
A. E. Wieslander and B. O. Schreiber
1940-3-5
6
San Mateo
road from Woodside to King's Mt.; Santa Cruz Quadrangle
426
Comment
UC1120833
Arctostaphylos regismontana
A. E. Wieslander and B. O. Schreiber
1940-3-5
2
San Mateo
road from Woodside to King's Mt.; Santa Cruz Quadrangle
243
Comment
CAS-BOT-BC44745
Arctostaphylos regismontana
W. R. Dudley
1900-5-16
s.n.
San Mateo
On stage road from King's Mt. to Spanishstown
Comment
CAS-BOT-BC44667
Arctostaphylos sensitiva
T. J. B.
1913-3-14
s.n.
San Mateo
South side of Chrystal Springs Lake on Road this side of Rand's store
Comment
SEINET11989291
Arctostaphylos tomentosa
S. W. Edwards
1982-1
s.n.
San Mateo
Foothill Park near summit of SW ridge
Comment
SEINET11989293
Arctostaphylos tomentosa
S. W. Edwards
1982-1
s.n.
San Mateo
Foothill Park near summit of SW ridge
Comment
UC1120095
Arctostaphylos tomentosa subsp. crinita
N. K. Carlson
1935-6-12
47
San Mateo
1 mi e Hollow Tree; Santa Cruz Quadrangle
Comment
JEPS48593
Arctostaphylos tomentosa subsp. crustacea
James G. Daly
1934-1
194
San Mateo
San Gregorio watershed Santa Cruz Mts. (sw San Mateo Co.)
Comment
RSA381043
Arctostaphylos tomentosa subsp. crustacea
Roman Gankin
1959-2-22
322
San Mateo
2.8 miles from junction state hwy 5 on King's Mt. Road.
Comment
UC702542
Arctostaphylos tomentosa subsp. crustacea
L. S. Rose
1942-3-30
42007
San Mateo
Kings Mountain Kings Mountain (type locality)
600
Comment
UC762308
Arctostaphylos tomentosa subsp. crustacea
R. F. Hoover
1941-2-12
4769
San Mateo
Kings Mountain
Comment
UCD51856
Arctostaphylos tomentosa subsp. crustacea
Roman Gankin
1959-2-22
321
San Mateo
3.5 miles from junction state route 5 on King's Mt. Road, San Mateo County, California.
Comment
POM285159
Arctostaphylos tomentosa subsp. tomentosiformis
Lyman Benson
1928-12-15
834
San Mateo
La Honda
457
Comment
SEINET11989278
Arctostaphylos tomentosa var. tomentosiformis
Unknown
1966-1
739
San Mateo
ca 0.4 mi NE of Peak Mountain of Montara Mountain range
488
Comment
CAS-BOT-BC46830
Arctostaphylos uva-ursi
Peter H. Raven
1951-2-18
2732
San Mateo
Summit ridge of San Bruno Mts.
Comment
CAS-BOT-BC46832
Arctostaphylos uva-ursi
Arthur Menzies
1963-3-10
s.n.
San Mateo
On ridge N.W. of first Television Tower.
Comment
UCD51963
Arctostaphylos uva-ursi
Robert F. Thorne
1963-6-9
32218
San Mateo
Prostrate shrub in north coastal scrub on top of San Bruno Mt. near TV tower.
Comment
UCD52049
Arctostaphylos uva-ursi
Roman Gankin
1959-3-25
328
San Mateo
1/4 mile east of KRON TV station transmitter. Associated with Baccharis hybrids, Lupinus and Ceanothus. San Mateo County, California.
Comment
SEINET11989206
Arctostaphylos uva-ursi
E. McClintock, Knight, W.; Knight, I.
1982-1
4637
San Mateo
NE of parking lot, San Bruno Mountain
335
Comment
CDA19857
Arctotheca calendula
R. Eaton
2002-5-8
PDR 1236792
San Mateo
San Francisco Bay Area; Bean Hollow Rd.
0
Comment
CAS-BOT-BC47699
Armeria maritima subsp. californica
J. H. Thomas
1954-6-11
4286
San Mateo
About 0.25 miles north of Pigeon Point Light House
Comment
JROH513
Artemisia biennis
Roxana S. Ferris
1924-10-6
4096
San Mateo
Jasper Ridge Biological Preserve, Stanford University; Searsville Lake on Portola Highway
Comment
RSA116788
Artemisia biennis
Roxana S. Ferris
1924-10-6
4096
San Mateo
Searville Lake on Portola Hwy.
Comment
CAS-BOT-BC84882
Artemisia californica
George Oberlander
1949-10-8
392 a
San Mateo
San Francisco Watershed Reserve - Sweeney Ridge
Comment
JROH514
Artemisia californica
L. R. Abrams
1902-12-23
3098
San Mateo
Jasper Ridge Biological Preserve, Stanford University; Searsville
Comment
RSA116787
Artemisia californica
L. R. Abrams
1902-12-23
3098
San Mateo
Jasper Ridge, Searsville
Comment
SEINET11836170
Artemisia californica
L. S. Rose
1936-1
36716
San Mateo
Granada
30
Comment
SEINET11853229
Artemisia californica
Unknown
1930-1
7303
San Mateo
Menlo Park Golf Court
Comment
JEPS20095
Artemisia douglasiana
Peter H. Raven
1957-9-1
11296
San Mateo
coastal bluffs 1.1 mi s Pigeon Point lighthouse
Comment
JROH518
Artemisia douglasiana
John H. Thomas
1976-10-16
18439
San Mateo
Jasper Ridge Biological Preserve, Stanford University; along or near San Francisquito Creek from the low flow crossing to the vicinity of the old fireplace ruins downstream
Comment
CAS-BOT-BC93938
Artemisia douglasiana
Ira L. Wiggins
1975-8-5
22175
San Mateo
Bed of San Francisquito Creek, ca 100 m above Pope Street bridge, San Mateao County side of Santa Clara-San Mateo
Comment
SEINET3145785
Artemisia heterophylla
L. S. Rose
1938-8-18
38232
San Mateo
San Mateo
30
Comment
CAS-BOT-BC93641
Artemisia pycnocephala
John H. Thomas
1961-5-13
9336
San Mateo
Coastal sand dunes at Franklin Point
Comment
RSA1948
Artemisia pycnocephala
C. B. Wolf
1930-11-5
1806
San Mateo
4 mi. S of Pescadero.
8
Comment
SACT000356
Arundo donax
Malcolm Nobs, S. Smith
1949-8-25
San Mateo
on bank in marsh, 6-12 feet tall, with typha, scirpus, potameton, polygonum, and lactuca. Brackish marsh
Comment
CAS-BOT-BC400511
Asarum caudatum
A. D. E. Elmer
1903-6-1
4421
San Mateo
Butano Creek
Comment
SJSU10590
Asarum caudatum
W. F. Larson
1973-4-16
San Mateo
5 mi E of La Honda
457
Comment
RSA18383
Asclepias fascicularis
C. B. Wolf
1927-7-1
s.n.
San Mateo
Above Emerald Lake, back of Redwood City
Comment
RSA184853
Asclepias fascicularis
L. S. Rose
1965-8-27
s.n.
San Mateo
Emerald Lake, West of Redwood City
122
Comment
POM57738
Aster chilensis
B. Greene
1901-10-20
50
San Mateo
Summit of Coast Range
Comment
POM87776
Aster radulinus
L. R. Abrams
1902-9-28
3004
San Mateo
New Grade Road- Portola
Comment
CAS-BOT-BC478066
Asteraceae
Peter H. Raven
1957-9-1
11302
San Mateo
Along Skyline Blvd. at Woodside Road
Comment
JROH1984
Astragalus gambelianus
A. C. Kimber & Lucile Roush
1918-4-25
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
SEINET948341
Astragalus gambelianus
Lois E. James
1946-1
1741
San Mateo
Serpentine hills back of redwood city. High Road off Woodside Road.
Comment
UC1057449
Astragalus gambelianus
G. Thomas Robbins
1937-4-11
98
San Mateo
near Spring Valley Lakes (along road to Woodside); near Spring Valley Lakes, along road to Woodside
Comment
CAS-BOT-BC186768
Astragalus gambelianus
W. R. Dudley
1894-4-21
s.n.
San Mateo
Below Crystal Springs Dam
Comment
JROH1988
Astragalus gambelianus
John H. Thomas
1961-4-4
9044 E
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near Westridge end of ridge
Comment
RSA633304
Astragalus gambelianus
Michael A. Vincent, Ethan H. Freid, Karl Vincent
1998-4-9
8203
San Mateo
Along east side of Canada Road, ca. 200 yards southeast of its junction with Edgewood Road, just southwest of I-280, at Filoli Center.
Comment
SD87780
Astragalus menziesii
Frank W. Peirson
1925-9-13
6424
San Mateo
Rockaway Beach, in detritus at the foot of cliffs at sea level
Comment
CAS-BOT-BC177966
Astragalus nuttallii var. virgatus
V. F. Hesse
1954-7-30
1342
San Mateo
Near Pebble Beach
15
Comment
CHSC40740
Astragalus nuttallii var. virgatus
Delzie Demaree
1933-6-12
10376
San Mateo
Baden Station, South San Francisco.
Comment
UCD35773
Astragalus nuttallii var. virgatus
Beecher Crampton
1962-6-11
6495
San Mateo
Pacifica, north city limits, along State Hwy. 1 just southwest of its junction with Skyline Blvd.
Comment
SFV1786
Astragalus nuttallii var. virgatus
W. R. Russell
1966-8-17
s. n.
San Mateo
On side of hill at north end of Princeton Beach, about 2 miles south of Moss Beach.
Comment
SJSU15402
Astragalus pycnostachyus var. pycnostachyus
Toni Corelli
2011-8-31
711 b
San Mateo
Pescadero State Beach and Marsh Natural Preserve, Butano Trail, between Butano Creek and Pescadero Creek Road
4
Comment
UC863038
Astragalus pycnostachyus var. pycnostachyus
Alice Eastwood, John Thomas Howell
1938-6-26
6064
San Mateo
Arroyo de los Frijoles
Comment
CAS-BOT-BC66140
Athyrium filix-femina var. cyclosorum
D. E. Breedlove
1973-9-26
35558
San Mateo
Pescadero Creek County Park
365
Comment
POM195304
Atriplex californica
H. M. Hall
1922-5-17
11805
San Mateo
Point Montara.
Comment
UC219429
Atriplex californica
H. M. Hall
1922-5-17
11805
San Mateo
Point Montara Point Montara (in packed sand just above high tide)
Comment
JEPS15531
Atriplex leucophylla
G. Thomas Robbins
1956-8-18
3739
San Mateo
along ocean shore near the mouth Pomponio Creek; near mouth Pomponio Creek
Comment
RSA291577
Avena barbata
T. C. Fuller
1971-6-10
19879
San Mateo
1.6 km. east of the San Gregorio.
Comment
RSA291578
Avena barbata
T. C. Fuller
1969-6-12
18549
San Mateo
on south facing slope of hillside pasture 3 km. east of Pescadero
Comment
RSA17941
Avena barbata
C. B. Wolf, Le Roy Abrams
1927-4-6
s.n.
San Mateo
So. of San Gregoris.
Comment
UCD143808
Avena brevis
John Thomas Howell
1954-6-16
30003
San Mateo
Ralston Ave. at 6th, Belmont.
Comment
HSC9008
Avena fatua
C. B. Wolf
1927-6-4
San Mateo
South of San Gregorio
Comment
JROH4843
Avena fatua
John H. Thomas
1973-4-14
16559
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH4846
Avena fatua
W. Lennihan
1990-4-2
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Across parking lot from picnic tables.
Comment
SD99505
Avena fatua
Ira L. Wiggins
1975-4-17
22144
San Mateo
NE side of Southern Pacific right-of-way, between San Francisquito Creek and Willow Road, Menlo Park
Comment
CAS-BOT-BC98697
Baccharis douglasii
W. R. Dudley
1893-12-8
s.n.
San Mateo
Mouth of San Francisquito Creek - Santa Cruz Mountain Peninsula
Comment
JROH535
Baccharis glutinosa
John H. Thomas
1974-8-3
17497
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UC893653
Baccharis glutinosa
Roxana Stinchfield
1915-10-14
262
San Mateo
Santa Cruz Mountain Peninsula, San Francisquito Creek
Comment
CAS-BOT-BC99508
Baccharis pilularis
Walter Knight; Irja Knight; Elizabeth McClintock
1963-9-2
s.n.
San Mateo
Radio Road, San Bruno Mountains
Comment
CAS-BOT-BC99512
Baccharis pilularis
P. C. Everett
1934-8-19
6069
San Mateo
Pescadero
198
Comment
CAS-BOT-BC99525
Baccharis pilularis
W. R. Dudley
1895-10-19
s.n.
San Mateo
Near San Francisquito Creek, toward Searsville
Comment
CAS-BOT-BC99532
Baccharis pilularis
A. D. E. Elmer
1903-2-1
s.n.
San Mateo
Portola
Comment
JEPS85567
Baccharis pilularis
Craig Dremann
1986-9-13
332
San Mateo
near, stage rd half-way between San Gregorio and Pomponio Cr. along rdside San Gregorio
Comment
POM54355
Baccharis pilularis
A. D. E. Elmer
1903-02
4576
San Mateo
Portola
Comment
RSA128829
Baccharis pilularis
W. R. Dudley
1894-12-13
s.n.
San Mateo
Above Preston's, La Honda Road
Comment
RSA2153
Baccharis pilularis
C. B. Wolf
1931-5-6
1807
San Mateo
4 miles south of Pescadero
8
Comment
RSA51371
Baccharis pilularis
L. S. Rose
1949-9-20
49181
San Mateo
Sharp Park
Comment
UC87151
Baccharis pilularis
C. F. Baker
1902-10-1
1740
San Mateo
Pillar Point Pacific Coast
Comment Read comments Feb 2 2012
UCR240609
Baccharis pilularis
T. B. Salvato, Lia V. D. Mansfield, Joel-Henry J. Mansfield
2008-6-14
3527
San Mateo
Central Coast, Pebble Beach State Beach, 12.5 mi north of Santa Cruz Co. line, along Hwy 1, Pacific Coast Hwy, 1.65 mi south of road to Pesacadero and 16 mi south of Half Moon Bay
11
Comment
JROH547
Baccharis pilularis subsp. consanguinea
John H. Thomas
1964-11-29
10547
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH5742
Baccharis pilularis subsp. pilularis
John Rawlings
2015-11-7
1648
San Mateo
Jasper Ridge Biological Preserve, Stanford University; 55 yards up Rd E from its Trail 14 intersection.
122
Comment
SEINET5556641
Baeria californica
H. S. Gentry
1931-1
95
San Mateo
Collected about 1 mile SE of Holy Cross Cemetery.
Comment
CAS-BOT-BC16620
Barbarea orthoceras
Fred Hemphill
1973-4-8
621
San Mateo
San Carlos. Area north of Malabar Road and Melendy Drive.
207
Comment
JEPS90454
Barbarea orthoceras
Dean W. Taylor
1992-3-19
12336
San Mateo
Montara Mt. in saddle just e. San Pedro Mt. (reached via old paved rd. from San Pedro Valley, along ridge at BM 924); Santa Cruz Mts., Montara Mt. 7 1/2 Quad. (1980)
274
Comment
JROH1438
Barbarea orthoceras
John H. Thomas
1966-4-22
11567
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH1444
Barbarea orthoceras
John H. Thomas
1974-4-4
17081
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH1448
Barbarea orthoceras
John Hunter Thomas
1981-4-21
20462
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UC10249
Barbarea orthoceras
J. Burtt Davy
June 21-23, 1893
1147
San Mateo
Pilarcitos Lake and Canon
Comment
UCR101678
Bellardia trixago
George K. Helmkamp, E. A. Helmkamp
1998-5-16
3737
San Mateo
Portola Valley, Golden Hills Rd along Los Trancos Creek
107
Comment
UCR141422
Bellardia trixago
June Latting
1975-6-8
s.n.
San Mateo
San Francisco Bay Region, Skyline Drive at Crystal Springs Reservoir
122
Comment
HSC81971
Bellardia trixago
Thomas W. Nelson, James Nelson
1980-5-3
5131
San Mateo
Intersection of Hwy. 92 and Hwy. 280, W of San Mateo.
Comment
CAS-BOT-BC100196
Bellis perennis
Ray H. Yarris
1951-5-20
65
San Mateo
Kings Mountain
91
Comment
CAS-BOT-BC75791
Berberis pinnata
W. R. Dudley
1899-4-18
s.n.
San Mateo
Santa Cruz Mountain Peninsula. Pescadero Creek.
Comment
CAS-BOT-BC75878
Berberis pinnata
John H. Thomas
1977-3-26
18506
San Mateo
Butano State Park, redwood region.
Comment
CAS-BOT-BC75880
Berberis pinnata
George Oberlander
1949-4-17
70
San Mateo
San Francisco Watershed Reserve. Near Pilarcitos Lake.
Comment
CAS-BOT-BC31092
Bolboschoenus maritimus
George Thomas Oberlander
1949-7-24
311
San Mateo
Marsh, Upper Crystal Spr. Lake
Comment
SEINET12276036
Boraginaceae
M. T. Doutt
1931-1
607
San Mateo
near Portola, along Pacific Ocean
Comment
JROH3883
Boykinia occidentalis
H. J. Dengler
1969-6-22
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University. North bank of San Francisquito Creek, opposite the base of trail to S.F. Creek on N.E.J.R., just above "falls" in creek.
Comment
JROH4854
Brachypodium distachyon
W. Lennihan
1980-5-19
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University; eastern draw trail to San Francisquito Creek, about 1/3rd way down
Comment
JROH4858
Brachypodium distachyon
John Hunter Thomas
1989-5-9
24725
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH4863
Brachypodium distachyon
John Hunter Thomas
1991-8-4
25079
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH5713
Brachypodium distachyon
John Rawlings
2015-4-26
1442
San Mateo
Jasper Ridge Biological Preserve, Stanford University; south side of Field Station
119
Comment
CDA36479
Brachypodium sylvaticum
Ellen Gartside
2011-7-14
s.n.
San Mateo
Woodside; Old La Honda Rd., on hill above water tank.
Comment
JROH5658
Brachypodium sylvaticum
John Rawlings
2014-7-23
1267
San Mateo
Jasper Ridge Biological Preserve, Stanford University; along downhill verge of Rd G between Rd C and the first small drainage crossing Rd G
108
Comment
SEINET10481265
Brassica campestris
David D. Keck
1932-2-16
Keck 1377
San Mateo
Portola. Common in cultivated orchards, roadsides, etc.
Comment
JROH1456
Brassica nigra
John H. Thomas
1967-3-26
12419
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC36666
Brassica oleracea
John H. Thomas
1955-11-9
5506
San Mateo
Near Sanchez Adobe House, San Pedro Valley, about 8.5 miles south of San Francisco - San Mateo County line.
Comment
CAS-BOT-BC36670
Brassica oleracea
L. R. Abrams; Ira L. Wiggins
1939-6-3
439
San Mateo
2 miles north of Pigeon Point Lighthouse.
Comment
RSA15631
Brassica oleracea
C. B. Wolf
1927-6-15
1468
San Mateo
Along Skyline Drive, 8 mi. S of San Francisco.
Comment
JROH1468
Brassica rapa
John Hunter Thomas
1980-4-10
19866
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC36790
Brassica rapa
D. D. Davis
1903-3-1
s.n.
San Mateo
Dennis Martin Place.
Comment
CHSC56621
Briza maxima
Steven Triano
1988-5-24
178
San Mateo
Along w side of Old La Honda Road ca 0.6 mi s of Portola Road and 3.8 mi s of Woodside.
201
Comment
JROH4872
Briza maxima
John Hunter Thomas
1988-6-1
24492
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Grassy area below dam.
Comment
CAS-BOT-BC145329
Briza minor
A. A. Beetle
1941-4-20
1738
San Mateo
Near San Carlos.
Comment
JROH4886
Briza minor
John Hunter Thomas
1981-4-23
20469
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
SEINET10868322
Briza minor
Alan A. Beetle
1941-4-20
Beetle 1738
San Mateo
Near San Carlos, rich heavy loam, in open field.
Comment
UCSB17659
Brodiaea coronaria
Schulte, John
1963-4-28
San Mateo
Jasper Ridge, 3 miles southwest of Stanford Campus, between Santa Clara Valley and main front of Santa Cruz Mountains
152
Comment
SEINET12044664
Brodiaea terrestris
P. R. Hichborn
1920-1
s.n.
San Mateo
near Spring Valley Lakes, Santa Cruz Mountain Peninsula
Comment
JROH4591
Brodiaea terrestris subsp. terrestris
John Hunter Thomas
1981-4-23
20481
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
POM169611
Brodiaea terrestris subsp. terrestris
C. F. Baker
1902-4-6
462
San Mateo
Crystal Springs Lake.
Comment
CAS-BOT-BC483172
Brodiaea terrestris subsp. terrestris
Alice Eastwood
1912-6-10
334
San Mateo
Crystal Springs
Comment
CAS-BOT-BC483173
Brodiaea terrestris subsp. terrestris
C. F. Baker
1902-4-6
462
San Mateo
Crystal Springs Lake
Comment
RSA159425
Bromus carinatus
John H. Thomas
1961-5-14
9374 B
San Mateo
Vicinity of Pilarcitos Stone Dam on Pilarcitos Creek. San Francisco Watershed Reserve.
152
Comment
CAS-BOT-BC148977
Bromus carinatus var. carinatus
W. R. Dudley
1894-5-1
s.n.
San Mateo
Santa Cruz Mountain Peninsula. Crystal Springs Lake.
Comment
JROH4895
Bromus carinatus var. carinatus
John Hunter Thomas
1977-6-16
18740
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC156176
Bromus catharticus
John H. Thomas
1969-4-24
14902
San Mateo
Near Canada College, Redwood City, near Farm Hill Drive.
Comment
CDA31079
Bromus catharticus
Robin Breckenridge, K. Filippini
2010-2-17
PDR# 1463753
San Mateo
Pescadero: Bean Hollow Road (across from Bay Flower Company).
0
Comment
UCD58325
Bromus catharticus
John Thomas Howell
1956-5-23
31446
San Mateo
El Camino Real at Atherton Ave. Menlo Park.
Comment
CAS-BOT-BC155722
Bromus diandrus
Ira L. Wiggins
1975-4-17
22141
San Mateo
Northeast side of Southern Pacific Right of way, between San Francisquito Creek and Willow Road, Menlo Park.
Comment
CAS-BOT-BC155723
Bromus diandrus
Ira L. Wiggins
1975-5-26
22153
San Mateo
Bed of San Francisquito Creek, ca. 150 m. upstream from Chaucer/Pope Street bridge, Menlo Park.
Comment
JROH4917
Bromus hordeaceus
John H. Thomas
1963-5-12
10080 A
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC162407
Bromus laevipes
A. A. Heller
1907-5-23
8566
San Mateo
Back of San Mateo on the Half Moon Bay road.
Comment
JROH4934
Bromus laevipes
John H. Thomas
1973-6-10
16816
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH4938
Bromus laevipes
W. Lennihan
1990-4-20
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Eastern draw, 40 yards down.
Comment
UCD58971
Bromus madritensis
Beecher Crampton
1962-6-11
6485
San Mateo
5 miles west of Belmont, junction Ralston Ave. and Skyline Blvd.
Comment
JROH4948
Bromus madritensis subsp. rubens
John Hunter Thomas
1988-6-2
24503
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Near old bridge
Comment
JROH4956
Bromus madritensis subsp. rubens
John Rawlings
2013-4-16
1134
San Mateo
Jasper Ridge Biological Preserve, Stanford University; Escobar Gate fenceline about 50 m east of the gate
156
Comment
RSA523926
Bromus maritimus
G. H. True
1937-4-3
621
San Mateo
Near coast north of Salada Beach.
15
Comment
SJSU15908
Bromus maritimus
John Rawlings, Sara Timby, Toni Corelli
2016-4-23
1733
San Mateo
Bean Hollow bluff trail, west of Hwy 1 south of Pescadero
8
Comment
RSA320908
Bromus rubens
Robert A. Norris
1984-3-21
4655
San Mateo
Blue Blossom Hill, San Bruno Mts.
366
Comment
CAS-BOT-BC185396
Bromus vulgaris
W. R. Dudley
1894-7-28
s.n.
San Mateo
Santa Cruz Mountain Peninsula. Between Pescadero and La Honda.
Comment
RSA119336
Bromus vulgaris
S. S. Tillett, I. Sternback
1956-6-24
534
San Mateo
Middleton property, behind (N.) Portola Camp Store, just outside Portola State Park.
396
Comment
UCD60240
Bromus vulgaris
S. S. Tillett; I. Sternback
1956-6-24
534
San Mateo
Middleton properton, behind (n.) Portola Camp Store, just outside Portola State Park.
396
Comment
CAS-BOT-BC233708
Buddleja davidii
John H. Thomas
1960-6-25
8794
San Mateo
Along or near a small creek running into Redwood Slough between El Camino Real and railroad tracks, near Maple Street, Redwood City
7
Comment
POM144327
Cakile edentula
C. F. Baker
1902-10-1
1746
San Mateo
Pillar Point.
Comment
UC718801
Cakile maritima
Reed C. Rollins
1942-11-4
3032
San Mateo
about 5 mi n of Hal Moon Bay (Miramar Beach); Miramar Beach
Comment
CAS-BOT-BC36955
Cakile maritima var. maritima
Reed Clark Rollins
1941-7-19
2962
San Mateo
Half Moon Bay, along the beach.
Comment
RSA98363
Cakile maritima var. maritima
I. L. Wiggins
1949-7-2
12196
San Mateo
Pescadero Beach.
Comment
POM199081
Calamagrostis
A. D. E. Elmer
1903-06
4693
San Mateo
San Pedro
Comment
UC203510
Calamagrostis nutkaensis
A. D. E. Elmer
1903-5-1
5040
San Mateo
San Pedro
Comment
CAS-BOT-BC185031
Calamagrostis rubescens
Lois Lampe
1939-7-8
s.n.
San Mateo
6 miles from Woodside on Tunitas Creek Road.
Comment
SD38112
Calandrinia ciliata
Marie Cummings
1933-5-3
69
San Mateo
Woodside
Comment
CAS-BOT-BC438535
Calandrinia ciliata
George Oberlander
1950-4-2
630
San Mateo
San Francisco Watershed Reserve. On Sweeney Ridge
Comment
CAS-BOT-BC273256
Calendula officinalis
Elizabeth McClintock; Paul Reeberg
1988-3-15
s.n.
San Mateo
San Bruno Mountains. Entrance to Olivet Ravine
Comment
JROH4607
Calochortus albus
John H. Thomas
1977-4-21
18539
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UC843620
Calochortus albus
Lewis S. Rose
1939-5-13
39115
San Mateo
w of Burlingame
60
Comment
UCR104959
Calochortus albus
Tom Paradise
1993-5-3
11
San Mateo
San Francisco Bay area, Woodside; Huddart County Park, along Kings Mountain Road, 3 - 4 mi east of Skyline Blvd.
116
Comment
CAS-BOT-BC492209
Calochortus albus
Elmer I. Applegate
1895-4-8
727
San Mateo
Page Mill Creek, above Stanford University
Comment
CAS-BOT-BC492216
Calochortus albus
Eric Walther
1920-5-9
s.n.
San Mateo
Woodside
Comment
CAS-BOT-BC492220
Calochortus albus
Otto M. Sokol
1953-5-29
117
San Mateo
Bear Creek Road
Comment
SEINET3884903
Calochortus albus
Lewis S. Rose
1956-6-11
56098
San Mateo
2 mi. w. of Woodside, Kings Mt. Road.; 0
213
Comment
JROH4621
Calochortus argillosus
John H. Thomas
1973-6-10
16818
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UC119756
Calochortus luteus
Katharine Brandegee
1905-6-20
San Mateo
near Lake Pilarcitos
Comment
CAS-BOT-BC389720
Calochortus luteus
M. K. Wicksten
1970-6-16
39
San Mateo
San Mateo
Comment
CAS-BOT-BC491979
Calochortus luteus
Otto M. Sokol
1953-5-29
113
San Mateo
Near Sharon Estate, along Sand Hill Road
Comment
CAS-BOT-BC491988
Calochortus luteus
J. H. Thomas
1960-6-1
8770
San Mateo
Dry road bank between Stanford and Searsville along Sand Hill Road.
Comment
IRVC9063
Calochortus luteus
P. W. Rundel
1964-7-8
1362
San Mateo
La Honda Road; 1.5 mi. N of Portola Road Santa Cruz Mtns
274
Comment
SD27832
Calochortus maweanus
Carl B. Wolf
1929-5-22
3722
San Mateo
Santa Cruz Mountains, near base of La Honda Grade.
182
Comment
CHSC13523
Calochortus tolmiei
S. Villard
1974-4-28
4
San Mateo
Found on King's Mt. Road, Woodside, ca. 1 mi w of Mounted Patrol Grounds.
152
Comment
CAS-BOT-BC493992
Calochortus tolmiei
Joy H. Ozer
1963-6-9
59
San Mateo
Southern boundary of Portola State Park.
609
Comment
CAS-BOT-BC493993
Calochortus tolmiei
Carl B. Wolf
1929-5-22
3722
San Mateo
Near base of LaHonda grade, Santa Cruz Mts.
182
Comment
CAS-BOT-BC496828
Calochortus tolmiei
W. R. Dudley
1907-4-27
s.n.
San Mateo
Kings Mt., Santa Cruz Mountain Peninsula
Comment
POM161183
Calochortus tolmiei
Rimo C. Bacigalupi
1922-5-15
s.n.
San Mateo
New La Honda Grade
Comment
CAS-BOT-BC270666
Calycadenia multiglandulosa
L. S. Rose
1941-6-12
41268
San Mateo
W of Redwood City, Emerald Lake
120
Comment
POM263769
Calycadenia multiglandulosa
L. S. Rose
1941-6-12
41268
San Mateo
Emerald Lake, hills west of Redwood City.
120
Comment
RSA124773
Calycadenia multiglandulosa subsp. robusta
John H. Thomas
1958-11-22
7506
San Mateo
Jasper Ridge, about 5 miles SW of Palo Alto
152
Comment
JEPS109222
Calystegia occidentalis subsp. occidentalis
D. W. Taylor
2005-9-26
19491
San Mateo
1 mile S along coast from Franklin Point, Ano Nuevo State Reserve.
Comment
RSA130963
Calystegia purpurata
Josephine Randall
1907-7-24
105
San Mateo
Near Crystal Springs Lake.
Comment
CAS-BOT-BC224652
Calystegia purpurata subsp. purpurata
Philip Wheeler
1965-6-16
s.n.
San Mateo
San Bruno Mountain. Colma Canyon
Comment
CAS-BOT-BC224653
Calystegia purpurata subsp. purpurata
Elizabeth McClintock; Carlyn Halde; Walter Knight; Walter Knight
1963-6-23
s.n.
San Mateo
San Bruno Mountain. Lower part of Colma Canyon
Comment
CAS-BOT-BC224666
Calystegia purpurata subsp. purpurata
Elizabeth McClintock; Walter Knight; Irja Knight; Baki Kasapligil
1967-7-18
s.n.
San Mateo
San Bruno Mountains. In Colma Canyon
Comment
HSC59092
Calystegia purpurata subsp. purpurata
Clark L. Miller
1978-6-15
159
San Mateo
Off old Hwy. 1, about 4 mi. S of Half Moon Bay
Comment
JROH1843
Calystegia subacaulis subsp. subacaulis
John H. Thomas
1955-5-6
4978
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH1846
Calystegia subacaulis subsp. subacaulis
John H. Thomas
1968-4-19
14300
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC224348
Calystegia subacaulis subsp. subacaulis
Alice Eastwood
1933-5-14
18851
San Mateo
Woodside, woods near the Schillings estate
Comment
POM171567
Camissonia cheiranthifolia subsp. cheiranthifolia
R. L. Pendleton
1907-4-20
586
San Mateo
Lake Merced
30
Comment
POM271878
Camissonia ovata
Arthur L. Cohen
1935-4-21
632
San Mateo
Jasper Ridge, Stanford University. Santa Cruz Mtn Range, San Francisco Bay Watershed.
152
Comment
CAS-BOT-BC160321
Camissoniopsis cheiranthifolia subsp. cheiranthifolia
A. D. E. Elmer
1903-7-1
4942
San Mateo
San Pedro
Comment
UC306754
Campanula prenanthoides
A. D. E. Elmer
June, 1903
4283
San Mateo
Pescadero Creek
Comment
SEINET10463048
Campanula prenanthoides
David D. Keck
1934-7-7
Keck 2929
San Mateo
Kings Mountain, west of summit
610
Comment
SEINET10463064
Campanula prenanthoides
LeRoy R. Abrams
1907-8-26
Abrams s.n.
San Mateo
Kings Mountain
Comment
CAS-BOT-BC37161
Capsella bursa-pastoris
David D. Keck
1932-2-16
1378
San Mateo
Portola.
Comment
CHSC68130
Cardamine
LeRoy E. Detling
1934-5-13
San Mateo
Summit of La Honda Grade.
Comment
CAS-BOT-BC37662
Cardamine californica
W. R. Dudley
1903-5-9
s.n.
San Mateo
Santa Cruz Peninsula. Iverson's near Peters Creek.
Comment
CAS-BOT-BC37673
Cardamine californica
John H. Thomas
1958-2-15
6982
San Mateo
Jasper Ridge, about 5 miles southwest of Palo Alto.
182
Comment
JROH1484
Cardamine californica
John Hunter Thomas
1982-4-4
20822
San Mateo
Jasper Ridge Biological Preserve, Stanford University; below dam
Comment
SD38004
Cardamine californica
Marie Cummings
1933-4-27
52
San Mateo
King's Mountain
Comment
JEPS23932
Cardamine californica var. integrifolia
LeRoy Abrams
1902-3-16
2274
San Mateo
Kings Mountain
Comment
POM143341
Cardamine californica var. integrifolia
A. D. E. Elmer
1903-04
4468
San Mateo
Portola.
Comment
JROH5654
Cardamine hirsuta
John Rawlings
2014-4-3
1258
San Mateo
Jasper Ridge Biological Preserve, Stanford University; Trail 11
143
Comment
JROH1488
Cardamine oligosperma
Le Roy Abrams
1902-4-5
2308
San Mateo
Jasper Ridge Biological Preserve, Stanford University; Searsville
Comment
CAS-BOT-BC384843
Cardionema ramosissimum
Roxana S. Ferris
1921-4-7
2143 a
San Mateo
Santa Cruz Mountain Peninsula. San Bruno Mt.
91
Comment
CAS-BOT-BC384842
Cardionema ramosissimum
Walter Knight; Irja Knight
1965-4-20
1082
San Mateo
San Bruno Mountain. Pig Ranch Ravine
45
Comment
JROH579
Carduus pycnocephalus subsp. pycnocephalus
John Hunter Thomas
1980-5-8
19952
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA22241
Carduus tenuiflorus
J. T. Howell
1939-6-16
14741
San Mateo
Skyline Blvd. near Crystal Springs Lake
Comment
CAS-BOT-BC17853
Carex amplifolia
Lewis S. Rose
1933-6-23
33250
San Mateo
Kings Mountain.
Comment
CAS-BOT-BC17854
Carex amplifolia
Mrs. H. C. Cantelow
1940-5-23
3063
San Mateo
Lake Pelachetis. [Pilarcitos?]
Comment
JEPS48963
Carex amplifolia
James G. Daly
1934-1
424
San Mateo
upper Corte de Madera Canyon
Comment
NY25686
Carex amplifolia
L. S. Rose
1933-6-23
33250
San Mateo
Kings Mountain
Comment
CAS-BOT-BC17848
Carex amplifolia
Hester R. Davis
1920-5-18
s.n.
San Mateo
The Santa Cruz Mountain Peninsula. Kings Mountain.
Comment
JROH4313
Carex barbarae
John H. Thomas
1974-5-3
17240
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC19327
Carex barbarae
Walter Knight; Irja Knight; Elizabeth McClintock
1964-9-11
s.n.
San Mateo
San Bruno Mountain. Frontage Road north City Limits of South San Francisco.
Comment
UC767142
Carex bolanderi
R. F. Hoover
1940-9-1
4547
San Mateo
La Honda summit
Comment
SEINET7552599
Carex bolanderi
Lewis S. Rose
1933-6-23
s.n.
San Mateo
Kings Mountain Steams.
Comment
CAS-BOT-BC34072
Carex brevicaulis
John Thomas Howell
1965-3-29
41035
San Mateo
West end of summit ridge of San Bruno Mountain.
396
Comment
CAS-BOT-BC18923
Carex densa
John Thomas Howell
1938-5-1
13781
San Mateo
Near South San Francisco.
Comment
CAS-BOT-BC18924
Carex densa
John Thomas Howell
1938-5-1
13786
San Mateo
Near South San Francisco.
Comment
CAS-BOT-BC18926
Carex densa
W. R. Dudley
1894-5-1
s.n.
San Mateo
Santa Cruz Mountain Peninsula. Woodside to Crystal Springs.
Comment
CAS-BOT-BC18941
Carex densa
W. R. Dudley
1896-4-4
s.n.
San Mateo
Santa Cruz Mountain Peninsula. Near Summit Springs, near King's Mountain.
Comment
JROH4329
Carex densa
John H. Thomas
1967-6-1
12946
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH4331
Carex densa
John Hunter Thomas
1977-6-16
18738
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH4342
Carex globosa
John Hunter Thomas
1990-5-8
24851
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Near Rattlesnake Rock.
Comment
UC2048919
Carex globosa
Neal Kramer
2016-4-3
2163
San Mateo
Pedro Point Headlands
Comment
CAS-BOT-BC146604
Carex gynodynama
Alice Eastwood; John Thomas Howell; J. W. Stacey
1938-4-24
5255
San Mateo
Pescadero
Comment
SEINET4291981
Carex harfordii
A. L. Hipp, Pollock, J
1999-1
ah 282
San Mateo
Marsh at the mouth of Pescadero Creek, near Pescadero State Beach. North pond, along the edge of trail.
Comment
UCR279902
Carex harfordii
Peter Rubtzoff
1975-5-21
7968
San Mateo
Central Coast, San Bruno Mountains, 'saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road Junction
220
Comment
CAS-BOT-BC210005
Carex harfordii
Peter Rubtzoff
1975-5-21
7968
San Mateo
Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction, East Fork Colma Creek Canyon.
Comment
CAS-BOT-BC21809
Carex harfordii
Elizabeth McClintock; Paul Reeberg
1988-4-14
s.n.
San Mateo
Bayshore Blvd.
Comment
CAS-BOT-BC227873
Carex harfordii
Elizabeth McClintock; Paul Reeberg
1989-5-23
s.n.
San Mateo
San Bruno Mountains. In Wax Myrtle Ravine
121
Comment
POM248613
Carex harfordii
J. T. Howell
1938-5-1
13781
San Mateo
Near South San Francisco.
Comment
UCD163544
Carex harfordii
Peter Rubtzoff; Barbara Deutsch, James Roof
1980-5-3
9437
San Mateo
The Edward P. Lee Memorial Site, at the bottom of canyon, below the Nine Fern Rock.
Comment
CAS-BOT-BC119443
Carex nudata
Charles Piper Smith
1908-4-13
1399
San Mateo
Stanford Univ. San Francisquito Creek.
Comment
UCR279853
Carex obnupta
Peter Rubtzoff
1978-5-18
9174
San Mateo
San Francisco Bay Region, San Bruno Mountains, 'saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction
220
Comment
RSA788837
Carex obnupta
Peter Rubtzoff
1978-3-18
9173
San Mateo
Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction.
Comment
CAS-BOT-BC118332
Carex praegracilis
W. R. Dudley
1906-6-12
s.n.
San Mateo
In meadow on Mt. side W of Trippstore, Woodside.
Comment
CAS-BOT-BC117646
Carex serratodens
LeRoy Abrams
1902-5-4
2425
San Mateo
Woodside.
Comment
JROH4357
Carex serratodens
John H. Thomas
1968-5-3
14443
San Mateo
Jasper Ridge Biological Preserve, Stanford University. North side of ridge in serpentine grasslands.
Comment
CAS-BOT-BC117652
Carex serratodens
Elizabeth McClintock
1978-3-25
s.n.
San Mateo
Gilmore McDowell property, Woodside.
Comment
CAS-BOT-BC117653
Carex serratodens
Cherie L. Wetzel
1969-6-20
883
San Mateo
Near Canada College, Redwood City, just off Farm Hill Blvd.
Comment
SEINET7575211
Carex serratodens
Lewis S. Rose
1936-5-28
36304
San Mateo
Emerald L, W of Redwood City.
91
Comment
JROH4361
Carex subbracteata
W. Lennihan
1989-5-24
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Mapache Trail.
Comment
CAS-BOT-BC116824
Carex subbracteata var. subbracteata
Alice Eastwood; John Thomas Howell; J. W. Stacey
1938-4-24
5245
San Mateo
Half Moon Bay
Comment
CAS-BOT-BC115515
Carex tumulicola
W. R. Dudley
1894-5-1
s.n.
San Mateo
Woodside to Crystal Springs.
Comment
CAS-BOT-BC230108
Carpobrotus chilensis
Louis F. Pitelka
1973-4-30
s.n.
San Mateo
Bolsa Point, about 1 mile N of Pigeon Point and about 39 miles S of San Francisco
Comment
CAS-BOT-BC249192
Castilleja affinis
David D. Keck
1940-5-15
5037
San Mateo
Upper Crystal Springs Lake, east side
100
Comment
POM87996
Castilleja affinis
L. R. Abrams
1902-5-20
2475
San Mateo
Kings Mountain
Comment
CAS-BOT-BC249193
Castilleja affinis
Barrett Anderson; Peter Rubtzoff
1988-4-26
3678
San Mateo
San Bruno Mountain. Radio Road south of Guadalupe Parkway
365
Comment
SJSU667
Castilleja affinis
A. W. Jacobs
1941-4-20
San Mateo
Jasper Ridge
Comment
JEPS86226
Castilleja affinis subsp. affinis
L. R. Heckard
1970-5-5
2451
San Mateo
n side San Bruno Mountain (n spur)
60
Comment
JROH3953
Castilleja affinis subsp. affinis
John Rawlings
2013-4-23
1172
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Uphill from Trail c.
180
Comment
JROH5776
Castilleja affinis subsp. affinis
John Rawlings
2016-3-22
1700
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near high point of steep serpentinite bank south of Bear Creek
95
Comment
JEPS103890
Castilleja affinis subsp. affinis
T. I. Chuang and F. M. Chuang
1991-7-3
7861
San Mateo
1 mile S of Linda Mar, on highway 1
Comment
RSA408815
Castilleja ambigua subsp. ambigua
Francis W. Pennell, D. D. Keck
1940-5-15
25427
San Mateo
Route 101. Burlingame.
0
Comment
UC406881
Castilleja ambigua subsp. ambigua
David D. Keck
1927-6-10
394
San Mateo
Montara Point; Radio Station
0
Comment
JROH3956
Castilleja attenuata
John H. Thomas
1973-4-14
16562
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH3964
Castilleja attenuata
John H. Thomas
1978-5-16
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH3968
Castilleja attenuata
John Hunter Thomas
1983-4-21
21635
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH3977
Castilleja densiflora subsp. densiflora
John H. Thomas
1961-4-29
9189
San Mateo
Jasper Ridge Biological Preserve, Stanford University; at western end of serpentine outcroppings
Comment
CHSC24846
Castilleja exserta
B. A. Rosene
1976-4-18
4
San Mateo
Ca. 2.4 km nw of entrance to Calif. State Game Refuge.
182
Comment
JEPS18929
Castilleja exserta subsp. latifolia
Rimo Bacigalupi with S. Galen Smith, G. T. Robbins and Lauramay Dempster
1956-5-15
5647
San Mateo
about at the center of Montara Mountain Montara Mountain
487
Comment
SEINET12288674
Castilleja foliolosa
L. R. Abrams
1904-1
10
San Mateo
Santa Cruz Peninsula, near Crystal Springs Lakes, Santa Cruz Mts
152
Comment
SEINET12288716
Castilleja latifolia
Unknown
1932-1
8989
San Mateo
between Sky Line Drive & Half Moon Bay
Comment
JEPS49067
Castilleja rubicundula subsp. lithospermoides
Lewis S. Rose
1966-5-2
66034
San Mateo
w of Redwood City; Emerald Lake
91
Comment
JROH3988
Castilleja rubicundula subsp. lithospermoides
D. D. Davis
1903-4-1
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University; Searsville Ridge
Comment
JROH3999
Castilleja rubicundula subsp. lithospermoides
John H. Thomas
1975-5-26
17907
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UC1012134
Castilleja rubicundula subsp. lithospermoides
F. W. Pennell and D. D. Keck
1940-5-15
25413
San Mateo
above Redwood City (Emerald Lake); Emerald Lake
45
Comment
CDA41393
Castilleja subinclusa subsp. franciscana
T. I. & F. M. Chuang
1991-7-1
7848
San Mateo
0.8 mile north of San Gregorio Beach.
0
Comment
JEPS88801
Castilleja subinclusa subsp. franciscana
T. I. and F. M. Chuang
1991-7-3
7859
San Mateo
0.8 mi sw Interstate 280 junction with Route 92 (on Route 92)
Comment
SFV8662
Castilleja subinclusa subsp. franciscana
C. N. Rivera
1969-5-24
18
San Mateo
Belmont. On Skyline Blvd. about 1 mile south of intersection with State Highway 35.
Comment
JEPS20780
Castilleja wightii
Lawrence Beane
1949-6-2
484
San Mateo
s of Pescadero (beyond lighthouse on hillside, Highway 1)
Comment
JEPS29419
Castilleja wightii
L. R. Heckard
1961-7-16
1267
San Mateo
near San Bruno Mt. summit; San Bruno Mt.
304
Comment
UC198265
Castilleja wightii
Katharine Brandegee
1917-7-22
San Mateo
Mussel Rock Station, Ocean Shore Railway
Comment
UC648313
Castilleja wightii
Blanche Clear
1938-5-22
San Mateo
between Redwood and Belmont (Hiddne Valley); Hidden Valley
Comment
JEPS6867
Castilleja wightii
Rimo Bacigalupi with G. Thomas Robbins
1954-6-18
4548
San Mateo
e side Sierra Morena (new La Honda grade)
591
Comment
RSA10286
Castilleja wightii
H. A. Barker
1927-5-14
668
San Mateo
North of Half Moon Bay.
Comment
RSA18294
Castilleja wightii
Carl B. Wolf
1927-6-21
423
San Mateo
East slope of Kings Mt.
Comment
RSA18358
Castilleja wightii
Carl B. Wolf
1929-5-25
3730
San Mateo
Just north of Pigeon Pt.
Comment
RSA189726
Castilleja wightii
Noel Holmgren, James L. Reveal
1966-6-5
2632
San Mateo
Skyline Boulevard (California 35), 0.25 mile south of junction with California 1.
Comment
RSA296376
Castilleja wightii
R. C. Bacigalupi, G. Thomas Robbins
1954-6-18
4557
San Mateo
Road-bank just south of bridge across Arroyo de los Frijoles, along Calif. Highway No 1, 3.3 miles south of Pescadero.
Comment
RSA505397
Castilleja wightii
R. C. Bacigalupi, G. Thomas Robbins
1955-8-4
5451
San Mateo
Along Skyline Blvd. (Calif. Highway No. 5) just west of Crystal Springs Lake (south lake); at a point 6.2 miles north of the junction with Kings Mtn. (not the La Honda) road.
396
Comment
CAS-BOT-BC39377
Caulanthus lasiophyllus
John H. Thomas
1961-5-13
9339
San Mateo
At Franklin Point.
Comment
CAS-BOT-BC39385
Caulanthus lasiophyllus
Wilhelm Nikolaus Suksdorf
1913-6-23
258
San Mateo
Crystal Springs Lake.
Comment
CAS-BOT-BC40242
Caulanthus lasiophyllus
G. H. True
1937-3-31
614
San Mateo
Salada Beach.
Comment
CAS-BOT-BC47946
Ceanothus arboreus
George Oberlander
1950-4-2
588
San Mateo
San Andreas Dam
Comment
CAS-BOT-BC48395
Ceanothus cuneatus var. cuneatus
A. D. E. Elmer
1903-3-1
4578
San Mateo
Portola
Comment
JROH3524
Ceanothus cuneatus var. cuneatus
John H. Thomas
1975-5-2
17848
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UC311168
Ceanothus cuneatus var. cuneatus
A. D. E. Elmer
March, 1903
4578
San Mateo
Portola
Comment
CAS-BOT-BC51609
Ceanothus oliganthus var. sorediatus
William R. Dudley
1904-4-7
s.n.
San Mateo
Los Trancos Cr.
Comment
JROH3528
Ceanothus oliganthus var. sorediatus
Arthur Spiegler
1952-4-12
12
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UCSB18628
Ceanothus oliganthus var. sorediatus
Schulte, John
1963-4-14
San Mateo
between Santa Clara Valley and main front of Santa Cruz Mountains
152
Comment
POM299416
Ceanothus oliganthus var. sorediatus
L. S. Rose
1942-4-19
42012
San Mateo
Santa clara County: Saratoga Road, 2 miles E of the Skyline Blvd edge of woods with Lithocarpus densiflorus, Arbutus Menziesii and Sequoia sempervirens
Comment
CAS-BOT-BC51851
Ceanothus papillosus
W. R. Dudley
1902-5-17
s.n.
San Mateo
Kings Mountain Road
Comment
POM190252
Ceanothus papillosus
D. D. Keck
1932-5-11
1774
San Mateo
E side of Kings Mtn, on Kings Mtn road.
503
Comment
CDA29068
Ceanothus papillosus var. papillosus
D. G. Kelch
2009-6-9
9 .389
San Mateo
Santa Cruz Mtns.; King s Mtn. Rd. N of Summit Springs.
Comment
CAS-BOT-BC52279
Ceanothus thyrsiflorus
Elizabeth McClintock
1963-2-16
s.n.
San Mateo
unspecified
Comment
CAS-BOT-BC52297
Ceanothus thyrsiflorus
R. Bacigalupi
1922-3-1
s.n.
San Mateo
lagoon Arroyo de los Frijoles
Comment
RSA172196
Ceanothus thyrsiflorus
Robert F. Thorne, Percy C. Everett
1963-6-9
32241
San Mateo
On top of San Bruno Mountain on Kamchatka Point near the TV tower.
335
Comment
UC1071406
Ceanothus thyrsiflorus
G. E. Sindel
1935-8-13
327
San Mateo
San Gregoria Creek
91
Comment
SEINET12209977
Ceanothus thyrsiflorus
Unknown
1932-1
8972
San Mateo
Comment
UCSB3904
Ceanothus thyrsiflorus var. griseus
Walker, Clifford
1954-4-20
San Mateo
Woodside Rd. 1 mi. E. Woodside
3
Comment
JROH597
Centaurea calcitrapa
John Hunter Thomas
1992-7-24
25388
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near boat ramp
Comment
POM55184
Centaurea calcitrapa
A. D. E. Elmer
1903-07
4961
San Mateo
Crystal Springs Lake
Comment
CAS-BOT-BC274589
Centaurea calcitrapa
H. L. Mason
1921-10-1
s.n.
San Mateo
County Hospital, Belmont-Crystal Springs Rd
Comment
CAS-BOT-BC274597
Centaurea calcitrapa
H. L. Mason
1921-10-1
s.n.
San Mateo
County Hospital, Belmont - Crystal Springs Rd.
Comment
HSC23938
Centaurea calcitrapa
Mary Katherine Wicksten
1971-8-19
199
San Mateo
Huddart Park by horse ring
Comment
SEINET11860703
Centaurea calcitrapa
Unknown
1933-8-13
10506
San Mateo
Belmont
Comment
UCD130018
Centaurea cyanus
Jane A. Reese
1966-6-11
125
San Mateo
northwest slope, Whiskey hill road, 1 mile from Junction with Woodside Road.
152
Comment
CAS-BOT-BC277122
Centaurea melitensis
A. D. E. Elmer
1903-6-1
4281
San Mateo
Crystal Springs Lake
Comment
CAS-BOT-BC277123
Centaurea melitensis
A. D. E. Elmer
1903-6-1
4281
San Mateo
Crystal Springs Lake
Comment
POM130628
Centaurium davyi
E. B. Copeland
1903-5-24
3262
San Mateo
Along Crystal Springs Lake
Comment
UC35457
Centaurium trichanthum
W. C. Blasdale
1893-6-17
San Mateo
Belmont
Comment
OBI48603
Centromadia pungens subsp. pungens
Lewis S. Rose
1938-8-18
38231
San Mateo
San Mateo
Comment
POM319936
Cerastium arvense
Barbara Shervanick
1973-4-1
788
San Mateo
San Bruno Mt. at first summit at end of Crocker Rd.; Mt. Range: San Bruno Mts.; Drainage Area: San Francisco Bay.
Comment
CAS-BOT-BC388391
Cerastium glomeratum
Fred Hemphill
1973-3-17
618
San Mateo
San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr.
207
Comment
JROH1689
Cerastium glomeratum
John H. Thomas
1961-4-8
9078
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC388395
Cerastium glomeratum
Walter Knight; Irja Knight
1965-3-21
948
San Mateo
San Bruno Mountain. North Power Line Ridge
Comment
JROH1694
Cerastium glomeratum
John H. Thomas
1975-4-5
17709
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH3622
Cercocarpus betuloides var. betuloides
John H. Thomas
1961-6-14
9541
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH5927
Cercocarpus betuloides var. betuloides
L. Fleycher
1986-2-27
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University; east of Searsville Lake.
Comment
CHSC263
Chamaemelum nobile
J. Turner
1930-5-2
San Mateo
Moss Beach.
Comment
JROH1948
Chamaesyce maculata
John Hunter Thomas
1991-6-9
25068
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near Main Gate off Sand Hill Road
Comment
CDA4770
Chamaesyce serpens
A. Roach
1970-10-22
San Mateo
Southern Pacific Railroad, Menlo Park.
0
Comment
POM158132
Chenopodium ambrosioides var. ambrosioides
L. R. Abrams
1902-9-21
2997
San Mateo
Crystal Lake
Comment
JROH1820
Chenopodium californicum
D. E. Breedlove
1971-5-11
19334
San Mateo
Jasper Ridge Biological Preserve, Stanford University; at Pinon Road along fence
Comment
POM158031
Chenopodium macrospermum var. farinosum
L. R. Abrams
1903-9-26
4018
San Mateo
Border of Bay back of Menlo Park.
Comment
POM164765
Chenopodium murale
C. F. Baker
1902-9-2
1549
San Mateo
Crystal Springs Lake.
Comment
CAS-BOT-BC497725
Chlorogalum pomeridianum
Ned Cahill
1974-4-29
171
San Mateo
Serpentine fields bordered by chaparral near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City
Comment
CDA33536
Chondrilla juncea
John Beall
2010-6-21
PDR# 1621666
San Mateo
San Carlos, city block of El Camino Real, Olive Street, Arroyo St, & Laurel Street.
0
Comment
UCR123135
Chondrilla juncea
Don Pendleton
2002-5-2
s.n.
San Mateo
San Francisco Bay Region, San Carlos, across the street from 1414 El Camino Real, next to railroad right of way, at the 'T' intersection of Belmont Ave. and El Camino Real
61
Comment
CAS-BOT-BC191592
Chorizanthe cuspidata var. cuspidata
W. R. Dudley
1901-5-11
s.n.
San Mateo
near Colma. Santa Cruz Mountain Peninsula
Comment
CAS-BOT-BC191593
Chorizanthe cuspidata var. cuspidata
A. D. E. Elmer
1903-5-1
4793
San Mateo
San Pedro
Comment
JROH3223
Chorizanthe diffusa
W. R. Dudley
1910-5-29
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC246284
Chorizanthe robusta var. robusta
Katharine Brandegee
1905-6-1
s.n.
San Mateo
Unspecified
Comment
RSA152079
Chrysanthemum coronarium
John H. Thomas
1961-5-7
9321
San Mateo
San Bruno Mountain, western end of mountain
244
Comment
CAS-BOT-BC36454
Chrysolepis chrysophylla
William R. Dudley
1893-5-27
s.n.
San Mateo
Woodside Road
Comment
RSA18289
Chrysolepis chrysophylla
Carl B. Wolf
1927-6-21
428
San Mateo
East slope of Kings Mt.
Comment
UC1135209
Chrysolepis chrysophylla var. chrysophylla
C. M. Belshaw
1935-1-25
1461
San Mateo
4.5 mi w Woodside (on Kings Mt road); Santa Cruz Quad.
609
Comment
UC5444
Chrysolepis chrysophylla var. minor
J. Burtt Davy
Jun 21 1893-Jun 23 1893
1127
San Mateo
Pilarcitos Lake and Pilarcitos Canyon; Pilarcitos Lake, Pilarcitos Canyon
Comment
CAS-BOT-BC36407
Chrysolepis chrysophylla var. minor
Walter Knight; Irja Knight; James B. Roof; Gregory Whipple; Al Senenes
1969-9-22
2793
San Mateo
Montara Mountain. North facing slope along dirt road to summit
365
Comment
RSA176821
Cicendia quadrangularis
John H. Thomas
1961-4-29
9182
San Mateo
Jasper Ridge Biological Experimental Area, about five miles southwest of Palo Alto.
Comment
UC306682
Cirsium brevistylum
A. D. E. Elmer
1903-6-1
4277
San Mateo
Crystal Springs Lake
Comment
CAS-BOT-BC277889
Cirsium brevistylum
R. E. Frenkel
1964-8-21
756
San Mateo
On Spring Valley Ridge Road at its junction with Whiting Ridge Road, SFWD
347
Comment
CAS-BOT-BC100944
Cirsium fontinale var. fontinale
A. D. E. Elmer
1903-6-1
4292
San Mateo
Crystal Springs Lake
Comment
CDA1230
Cirsium fontinale var. fontinale
T. C. Fuller
1970-5-13
19532 -B
San Mateo
East side of I-280, 100 yds. s. of junction Hwy 92 w. to Half Moon Bay. E slope above Crystal Springs Reservoir.
Comment
UC1416521
Cirsium fontinale var. fontinale
George E. Pilz
1965-7-12
114
San Mateo
e side of Crystal Springs Reservoir South Coast Ranges
121
Comment
UC922266
Cirsium fontinale var. fontinale
H. K. Sharsmith
1937-6-3
3951
San Mateo
about 3 mi w of San Mateo; Crystal Springs Lake
152
Comment
RSA176529
Cirsium occidentale var. venustum
John H. Thomas
1963-6-23
10169
San Mateo
Jasper Ridge Biological Experimental Area, about 5 mi SW of Palo Alto. Along road at Westridge end of ridge
Comment
UC30885
Cirsium occidentale var. venustum
J. Burtt Davy
1895-4-20
1083
San Mateo
San Mateo Creek
Comment
CAS-BOT-BC280136
Cirsium occidentale var. venustum
John Thomas Howell
1939-6-16
14747
San Mateo
Kings Mt.
Comment
RSA34005
Cirsium occidentale var. venustum
J. Wendell Howe
1930-5-21
s.n.
San Mateo
Hillside near Alpine Creek
Comment
CAS-BOT-BC280518
Cirsium quercetorum
John Thomas Howell
1939-6-16
14740
San Mateo
Near San Andreas Lake
Comment
CAS-BOT-BC280527
Cirsium quercetorum
Walter Knight; Irja Knight
1963-7-14
s.n.
San Mateo
San Bruno Mountain. Top of Quarry 4
Comment
JROH639
Cirsium vulgare
John H. Thomas
1974-8-3
17499
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC285864
Cirsium vulgare
John H. Thomas
1963-7-19
10198
San Mateo
Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz
Comment
CAS-BOT-BC162603
Clarkia
Paul Reeberg
1989-5-16
s.n.
San Mateo
Upper Cow Trough Ravine, near Ridge Trail - San Bruno Mountains
289
Comment
UC1536828
Clarkia amoena
Gordon H. True Jr.
1936-6-14
509
San Mateo
Skyline-Salada Beach Road
365
Comment
CAS-BOT-BC172089
Clarkia davyi
Peter H. Raven
1959-6-1
14455
San Mateo
Pigeon Point
Comment
CAS-BOT-BC163922
Clarkia purpurea subsp. quadrivulnera
A. A. Heller
1906-6-8
8382
San Mateo
Near Ocean View, San Francisco, on the Lake Merced side of the Ocean Shore tracks
Comment
CAS-BOT-BC163967
Clarkia purpurea subsp. quadrivulnera
W. R. Dudley
1894-7-30
s.n.
San Mateo
Near La Honda
Comment
CAS-BOT-BC163970
Clarkia purpurea subsp. quadrivulnera
John H. Thomas
1961-5-14
9381
San Mateo
Just north of dam on San Mateo Creek
121
Comment
UC1536827
Clarkia purpurea subsp. quadrivulnera
Gordon H. True Jr.
1936-6-14
504
San Mateo
canyon s Salada Beach
304
Comment
CAS-BOT-BC164566
Clarkia purpurea subsp. viminea
John H. Thomas
1971-5-2
15844
San Mateo
Near intersection of Canada and Edgewater roads. About 4 miles SW of center of Redwood City
304
Comment
SEINET12189254
Clarkia quadrivulnera
Unknown
1932-1
9166
San Mateo
Los Trenios Woods
Comment
CAS-BOT-BC165129
Clarkia rubicunda
Josephine D. Randall
1907-7-23
268
San Mateo
Crystal Springs Lake
Comment
CAS-BOT-BC165158
Clarkia rubicunda
Eric Walther
1919-6-9
s.n.
San Mateo
Woodside
Comment
CAS-BOT-BC165173
Clarkia rubicunda
W. R. Dudley
1902-9-21
s.n.
San Mateo
Near Crystal Springs Reservoir
Comment
JEPS127875
Clarkia rubicunda
Adam C. Schneider with C. Matt Guilliams
2013-5-17
186
San Mateo
Crystal Springs Reservoir. Under large transmission tower.
Comment
UC112979
Clarkia rubicunda
Katharine Brandegee
1908-7-26
San Mateo
near Half Moon Bay; Moss Beach
Comment
UCD169582
Clarkia rubicunda
M. K. Wicksten
1971-8-10
224
San Mateo
Moss Beach, bluff above Galway Bay.
Comment
CAS-BOT-BC165172
Clarkia rubicunda
W. R. Dudley
1894-5-30
s.n.
San Mateo
Near Redwood City
Comment
RSA18311
Clarkia rubicunda
Carl B. Wolf
1927-7-14
600
San Mateo
Summit of Kings Mountain Rd.
Comment
UC1279895
Clarkia rubicunda
Peter H. Raven
1957-6-20
10954
San Mateo
2.6 mi n Redwood City turnoff (State Highway 5 (Skyline Boulevard))
Comment
SEINET4149811
Clarkia rubicunda subsp. blasdalei
K. Brandegee
s.n.
San Mateo
Between San Pedro and Moss Beach
Comment
UCSC007594
Clarkia rubicunda subsp. blasdalei
Randall Morgan
2010-5-29
5038
San Mateo
Rockaway Beach
Comment
CAS-BOT-BC165599
Clarkia unguiculata
A. D. E. Elmer
1903-6-1
4293
San Mateo
Alpine School House
Comment
POM32413
Clarkia unguiculata
A. D. E. Elmer
1903-06
4293
San Mateo
Alpine School House.
Comment
CAS-BOT-BC439292
Claytonia exigua subsp. exigua
Lewis S. Rose
1937-4-24
37227
San Mateo
Emerald Lake.
106
Comment
CAS-BOT-BC439293
Claytonia exigua subsp. exigua
John H. Thomas
1974-4-11
17131
San Mateo
Area to the SE of Canada Road and Edgewood Road. NW of Woodside.
152
Comment
JROH3331
Claytonia exigua subsp. exigua
John H. Thomas
1958-2-15
6992
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH3341
Claytonia parviflora subsp. parviflora
John Rawlings, Ann Lambrecht
2010-5-5
1096
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Trail 9 just south of the dwarf interior live oaks.
144
Comment
JROH5567
Claytonia parviflora subsp. parviflora
John Rawlings
2013-4-13
1176
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Near base of scree slope in old quarry off of Trail 12
111
Comment
SEINET5544279
Claytonia perfoliata
H. S. Gentry
1931-1
12
San Mateo
Collected 1.5 miles W of San Mateo, Half-Moon Bay Road.
Comment
CAS-BOT-BC439989
Claytonia perfoliata subsp. mexicana
Josephine D. Randall
1907-6-8
296
San Mateo
Santa Cruz Peninsula. Portola Valley
Comment
POM270613
Clematis
Arthur L. Cohen
1935-4-21
611
San Mateo
Jasper Ridge, Stanford University. Santa Cruz Mtn Range, San Francisco Bay Watershed.
152
Comment
CAS-BOT-BC91482
Clematis lasiantha
Elizabeth McClintock
1979-5-28
s.n.
San Mateo
Gilmore McDowell Property. Woodside.
Comment
JROH3417
Clematis lasiantha
John Hunter Thomas
1985-4-11
23519
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH5686
Clematis lasiantha
John Rawlings
2015-3-3
1310
San Mateo
Jasper Ridge Biological Preserve, Stanford University; Trail 9.
194
Comment
RSA18269
Clematis lasiantha
Carl B. Wolf
1927-6-27
454
San Mateo
2 miles back of Stanford University.
Comment
JEPS47717
Collinsia heterophylla
Phillip Wheeler
1965-6-7
San Mateo
Buckeye Canyon; San Bruno Mtn
Comment Read comments Mar 12 2009
CAS-BOT-BC240930
Collinsia multicolor
W. R. Dudley
1900-3-17
s.n.
San Mateo
Santa Cruz Peninsula. Pilar Pt. south slope by grade near summit of Montara Mts.
Comment
JROH4017
Collinsia sparsiflora var. collina
Herbert Dengler
1965-4-18
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University; S. of Searsville Rocks - just above "up" road to Riders' Shack area - or ca. 600' N.W. of Riders' Shack
Comment
JEPS47718
Collinsia sparsiflora var. collina
Elizabeth McClintock
1965-3-21
San Mateo
n side of San Bruno Mountain (1/4 mi e of Brisbane power lines)
Comment
RSA409232
Collomia heterophylla
D. D. Keck
1932-5-13
1777
San Mateo
Above Woodside on La Honda road, E slope of the Santa Cruz Mtns.
Comment
RSA18363
Collomia heterophylla
C. B. Wolf
1929-5-25
3725
San Mateo
1/4 mi. no. of base of La Honda Grade on road to Woodside
Comment
RSA681681
Comarostaphylis diversifolia subsp. diversifolia
Annuschka Deb
1989-8-18
379
San Mateo
Woodside.
Comment
JROH207
Conium maculatum
John H. Thomas
1964-7-3
10442
San Mateo
Jasper Ridge Biological Preserve, Stanford University; along road above Searsville Lake
Comment
JROH213
Conium maculatum
John Hunter Thomas
1980-5-6
19932
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH218
Conium maculatum
John Hunter Thomas
1982-5-18
20947
San Mateo
Jasper Ridge Biological Preserve, Stanford University; along Searsville Lake near bridge
Comment
RSA176421
Conium maculatum
John H. Thomas
1964-7-3
10442
San Mateo
Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto , along road above Searsville Lake
Comment
JROH1854
Convolvulus arvensis
John Hunter Thomas
1987-5-19
24298
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA0104570
Convolvulus arvensis
Sandra M. Namoff
70
San Mateo
Half Moon Bay, near Francis Beach State Park, on Kelly Ave SW of intersection with Hwy 1, easement.
18
Comment
SEINET5547340
Convolvulus arvensis
H. S. Gentry
1931-1
94
San Mateo
Collected about 1 mile SE of Holy Cross Cemetery.
Comment
SEINET3407326
Convolvulus subacaulis
Lewis S. Rose
1932-5-13
32248 A
San Mateo
Open fields, woodside, San Mateo County, California.
Comment
CAS-BOT-BC286211
Conyza canadensis
George Oberlander
1949-8-20
360
San Mateo
San Francisco Watershed Reserve. Sawyer Ridge
Comment
RSA120502
Corallorhiza maculata
S. S. Tillett, I. Sternback
1956-6-25
546
San Mateo
Along ridge on border of Middleton property and Portola State Park, south side of road to park
396
Comment
SEINET4676141
Cordylanthus pilosus
Lewis S. Rose
1941-8-9
41362
San Mateo
Woodside.; 0
60
Comment
JEPS80893
Cordylanthus pilosus subsp. pilosus
Monty Knudsen
1981-8-13
San Mateo
w Redwood City; Edgewood Park
Comment
RSA412335
Cordylanthus pilosus subsp. pilosus
E. S. Spalding
1923-8-3
s.n.
San Mateo
Near Pulgas Tunnel.
Comment
JEPS70048
Cordylanthus rigidus subsp. rigidus
L. R. Heckard
1971-9-26
2828
San Mateo
Kings Mt. road 4.4 mi above junction route 84
457
Comment
JROH4034
Cordylanthus rigidus subsp. rigidus
Deane Bowers
1980-8-14
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University, outskirts just down the road from the Escobar entrance
Comment
JROH658
Coreopsis tinctoria
Ruth Porter
1997-11-3
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University; low flow crossing along San Francisquito Creek
Comment
SEINET11859850
Corethrogyne californica
Unknown
1932-5-8
9109
San Mateo
above Spring Valley Lakes
Comment
CAS-BOT-BC101475
Corethrogyne filaginifolia
J. H. Thomas
1958-6-11
7221
San Mateo
About 4.3 miles due east of Belmont near Crystal Springs Reservoir
91
Comment
POM88007
Corethrogyne filaginifolia var. californica
L. R. Abrams
1902-5-11
2459
San Mateo
Crystal Springs.
Comment
CAS-BOT-BC209817
Cornus glabrata
C. B. Wolf
1931-8-20
2329
San Mateo
3 miles west of Mayfield on road to La Honda
91
Comment
JROH1863
Cornus glabrata
D. E. Breedlove
1971-5-31
19372
San Mateo
Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake
Comment
CAS-BOT-BC210362
Cornus sericea
James McMurphy
1902-5-11
s.n.
San Mateo
San Francisquito Creek below Stock Farm
Comment
JROH1872
Cornus sericea subsp. sericea
John Hunter Thomas
1982-8-13
21140
San Mateo
Jasper Ridge Biological Preserve, Stanford University; on causeway
Comment
UC1191448
Coronopus didymus
Malcolm A. Nobs, S. Galen Smith
1949-8-26
1594
San Mateo
at mouth of Pescadero Creek Pescadero Creek
Comment
CAS-BOT-BC180281
Corylus cornuta subsp. californica
Josephine D. Randall
1907-4-27
112
San Mateo
Colma King's Mt. Road above Woodside. Santa Cruz Peninsula
Comment
CAS-BOT-BC180364
Corylus cornuta subsp. californica
W. R. Dudley
1903-7-10
23
San Mateo
Corte de Madera Canon [canyon], Santa Cruz Mts., Santa Cruz Peninsula
Comment
CAS-BOT-BC180371
Corylus cornuta subsp. californica
Ira L. Wiggins
1929-3-23
3373
San Mateo
Road to Mud Lake, near Stanford University
Comment
CAS-BOT-BC180375
Corylus cornuta subsp. californica
Walter Knight; Irja Knight
1964-9-2
61
San Mateo
On Mouth of Colma Canyon. San Bruno Mountain
Comment
JROH1331
Corylus cornuta subsp. californica
John H. Thomas
1959-4-5
7668
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH1332
Corylus cornuta subsp. californica
John H. Thomas
1959-4-5
7668
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UCD110079
Corylus cornuta subsp. californica
Baki Kasapligil
1967-7-18
4171
San Mateo
Colma Canyon, San Bruno Mt.
30
Comment
POM196594
Corylus cornuta var. californica
W. R. Dudley
1902-5-17
s.n.
San Mateo
King Mountain rd.
Comment
POM270385
Corylus cornuta var. californica
Lyman Benson
1928-12-15
892
San Mateo
Near La Honda; Santa Cruz Mt. Range.
244
Comment
POM270392
Corylus cornuta var. californica
Lyman Benson
1931-2-28
2613
San Mateo
Town: Woodside; Mt. Range: Santa Cruz; River: San Francisquito Cr.
183
Comment
RSA152233
Corylus cornuta var. californica
I. L. Wiggins
1925-04
1649
San Mateo
On Kings Mtn Road three fourths of a mile above Woodside.
Comment
JROH3639
Cotoneaster pannosus
John Hunter Thomas
1981-4-23
20466
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC291477
Cotula coronopifolia
John Thomas Howell
1924-9-28
660
San Mateo
Leslie Salt Rifinery, San Mateo
Comment
POM312498
Cotula coronopifolia
Malcolm A. Nobs, S. Galen Smith
1949-8-26
1591
San Mateo
Marshes at the mouth of Pescadero Creek.
Comment
RSA291922
Crassula aquatica
Robert A. Norris
1981-11-7
4276
San Mateo
Pond near Ano Nuevo Point.
Comment
CAS-BOT-BC427831
Crassula connata
John H. Thomas
1956-4-7
5626
San Mateo
Jasper Ridge, about 3.5 miles SW of Stanford University.
182
Comment
JROH1886
Crassula connata
D. E. Breedlove
1971-5-5
19322
San Mateo
Jasper Ridge Biological Preserve, Stanford University; above San Francisquito Creek, 500 yards below Searsville Dam
Comment
CAS-BOT-BC427835
Crassula connata
Elizabeth McClintock; David Schooly; Kim Marcus
1975-4-13
s.n.
San Mateo
San Bruno Mountain. Slope above Hillside Blvd., South San Francisco.
Comment
CAS-BOT-BC427841
Crassula connata
George Oberlander
1950-4-16
703
San Mateo
San Francisco Watershed Reserve. San Andreas Valley
Comment
JROH3649
Crataegus laevigata
Carol Zabel and Irene Brown
2003-6-15
49
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Hermit's cabin site.
Comment
CDA25811
Crataegus monogyna
D. G. Kelch
2002-5-13
s.n.
San Mateo
Cahill Ridge.
0
Comment
CAS-BOT-BC290331
Crepis
Ira L. Wiggins
1979-8-26
22250
San Mateo
Alley between Woodland and Central Avenues, running from Pope Street to Gilbert Street, Menlo Park
Comment
JROH1956
Croton setiger
Duncan M. Porter
1960-10-12
727
San Mateo
Jasper Ridge Biological Preserve, Stanford University; flat area on crest of the ridge (above area G)
Comment
JROH4977
Crypsis schoenoides
John Hunter Thomas
1979-9-9
19718
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH1357
Cryptantha flaccida
J. I. McMurphy
1911-5-1
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UC480685
Cryptantha flaccida
H. F. Copeland
1920-6-1
11120
San Mateo
near Woodside
Comment
JROH1361
Cryptantha flaccida
John Hunter Thomas
1991-5-2
25009
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near exclosure
Comment
SJSU7524
Cryptantha flaccida
L. S. Rose
1966-5-2
66032
San Mateo
Emerald L, W of Redwood City
91
Comment
CAS-BOT-BC389709
Cryptantha intermedia
L. Sigal
1969-6-1
s.n.
San Mateo
Belmont
Comment
JROH1382
Cryptantha microstachys
John Rawlings
2011-6-14
1068
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Up-slope along Trail b.
142
Comment
CDA9446
Cryptantha torreyana
D. G. Kelch
2002-5-13
s.n
San Mateo
Cahill Ridge.
0
Comment
CAS-BOT-BC80786
Cupressus macrocarpa
John H. Thomas
1967-5-2
12814
San Mateo
Millbrae. Along Skyline Blvd. near Millbrae Ave.
Comment
CAS-BOT-BC80790
Cupressus macrocarpa
J. H. Thomas
1964-6-19
10423
San Mateo
About 1/2 mi below Skyline Blvd. on Half Moon Bay Road toward Crystal Springs Reservoir.
Comment
SEINET3863390
Cupressus macrocarpa
K. Allred
1975-1-3
1270
San Mateo
Half Moon Bay along Hwy 101 near Dune Beach.; 0
Comment Read comments Oct 30 2021
POM278835
Cuscuta salina
E. A. Purer
1933-8-13
5408
San Mateo
Near Baden Station
Comment
RSA51358
Cuscuta salina
L. S. Rose
1949-8-24
49167
San Mateo
South San Francisco
Comment
CAS-BOT-BC287330
Cynara cardunculus
J. H. Thomas
1958-10-21
7487
San Mateo
Near intersection of Bayshore Highway and Main St, Redwood City, near slough
Comment
CAS-BOT-BC287340
Cynara cardunculus
John Thomas Howell
1956-11-14
31961
San Mateo
Bayshore Highway just S of Main St, Redwood City
Comment
JROH5001
Cynodon dactylon
John H. Thomas
1967-11-5
14135
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH5002
Cynodon dactylon
John H. Thomas
1967-11-5
14135
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UC572651
Cynoglossum grande
Howard T. Morse
1937-4-13
San Mateo
Loma Mar
Comment
UC676736
Cynoglossum grande
Reed C. Rollins
1941-2-22
2942
San Mateo
8 mi. n.w. Palo Alto
Comment
JROH5902
Cynoglossum grande
L. Nordby
1982-4-22
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University; east side of Searsville Lake below Rattlesnake rocks
Comment
JROH4382
Cyperus eragrostis
John Hunter Thomas
1983-5-23
22237
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Near shack side & low-flow crossing.
Comment
CAS-BOT-BC189820
Dactylis glomerata
Elizabeth McClintock; Paul Reeberg
1989-8-31
s.n.
San Mateo
San Bruno Mountains. Along Old Guadalupe Trail.
Comment
JROH5027
Dactylis glomerata
John Hunter Thomas
1987-5-26
24319
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC445492
Damasonium californicum
Alice Eastwood
1922-4-24
11200
San Mateo
On road between Princeton and Morman
Comment
CAS-BOT-BC192238
Danthonia californica
L. R. A.
1902-5-11
2451
San Mateo
Crystal Springs
Comment
JROH5035
Danthonia californica
H. J. Dengler
1967-4-23
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Found by the vernal spring at west end of the serpentine meadow
Comment
SJSU15419
Datura stramonium
Toni Corelli
2011-8-31
718
San Mateo
Half Moon Bay east of of Hwy. 1 and south of Higgins Canyon Road
30
Comment
JROH229
Daucus pusillus
John Hunter Thomas
1978-4-22
19101
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UC1122940
Daucus pusillus
N. K. Carlson
1935-6-29
108
San Mateo
1 mi. s. Pescadero; Santa Cruz Quad.
Comment
JEPS44412
Deinandra corymbosa
Lewis S. Rose
1965-9-4
65100
San Mateo
Skyline Blvd and Half Moon Bay Road; Cahill Ridge
243
Comment
UC1536896
Deinandra corymbosa
Gordon H. True Jr.
1936-6-14
501
San Mateo
s Salada Beach (meadow in canyon)
365
Comment
UC419710
Deinandra corymbosa
Mrs. H. P. Bracelin
1930-10-26
131
San Mateo
between Half Moon Bay and Santa Cruz (s of Pescadero, Ocran Road)
Comment
UC796714
Deinandra corymbosa
Ira L. Wiggins
1949-7-2
12199
San Mateo
Pescadero Beach
Comment
CAS-BOT-BC299218
Deinandra corymbosa subsp. corymbosa
Elsie Zeile
1909-5-20
s.n.
San Mateo
Burlingame
Comment
CAS-BOT-BC299192
Deinandra corymbosa subsp. corymbosa
David D. Keck
1931-10-5
1292
San Mateo
Salada Beach beside the golf course
Comment
CAS-BOT-BC299193
Deinandra corymbosa subsp. corymbosa
J. Clausen
1941-7-1
1870
San Mateo
Base of Montara Mountain near Montara
91
Comment
CAS-BOT-BC299207
Deinandra corymbosa subsp. corymbosa
W. R. Dudley
1893-5-17
s.n.
San Mateo
Near Milbrae
Comment
SJSU8504
Deinandra pentactis
B. W. Grushkowitz
1969-9-27
San Mateo
Cloverdale Road near Gazos Creek Road c. 2 miles E of coastal shore line, E of Pigeon Point
Comment
SJSU8526
Deinandra pentactis
M. Perry
1979-10-5
210
San Mateo
Cloverdale Road 0.25 mi N of its junction with Gazos Creek Road E of Pigeon Point
Comment
CAS-BOT-BC9218
Delphinium californicum
M. K. Curran
1884-1-1
s.n.
San Mateo
at Colma near San Francisco
Comment
JROH3434
Delphinium californicum subsp. californicum
John H. Thomas
1973-6-10
16811
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC9212
Delphinium californicum subsp. californicum
Josephine D. Randall
1907-6-5
310
San Mateo
Los Trancos Road, Stanford University
Comment
CAS-BOT-BC9245
Delphinium decorum
W. R. Dudley
1900-3-17
s.n.
San Mateo
South side of summit of Montara Mountain
Comment
CAS-BOT-BC9249
Delphinium decorum
Elizabeth McClintock; Phillip C. Wheeler
1967-5-14
s.n.
San Mateo
San Bruno Mountain, east side of mountain, above Harold Ave., Brisbane. Above Philip Wheeler's house
Comment
SD1725
Delphinium hesperium
Ulysses S. Grant IV
Jun 1925
San Mateo
Near La Honda
Comment
POM270648
Delphinium patens
Arthur L. Cohen
1935-4-21
606
San Mateo
Jasper Ridge, Stanford University. Santa Cruz Mtn Range, San Francisco Bay Watershed.
152
Comment
JROH3453
Delphinium patens subsp. patens
John H. Thomas
1975-4-5
17711
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC7930
Delphinium variegatum
Adolph Daniel Edward Elmer
1903-5-1
4796
San Mateo
Crystal Springs Lake
Comment
SEINET12099656
Delphinium variegatum
M. T. Doutt
1931-1
s.n.
San Mateo
Skyline Blvd, W of Hillbrae
Comment
RSA0008971
Delphinium variegatum subsp. apiculatum
D. D. Keck
1933-5-11
2309
San Mateo
Crystal Springs Lake
Comment
SEINET10536059
Delphinium variegatum subsp. apiculatum
David D. Keck
1933-5-11
Keck 2309
San Mateo
Crystal Springs Lake. Common on rocky ground on open slopes about east side of lake.
Comment
CAS-BOT-BC33190
Delphinium variegatum subsp. variegatum
David Daniels Keck
1933-5-11
2309
San Mateo
Crystal Springs Lake.
Comment
JROH3464
Delphinium variegatum subsp. variegatum
John H. Thomas
1974-4-25
17206
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Grasslands on top of ridge, Searsville end
Comment
JEPS23360
Delphinium variegatum subsp. variegatum
W. L. Jepson
1914-3-22
5734
San Mateo
Redwood Farm Redwood City (home of Mr. and Mrs. J. W. Goodwin)
30
Comment
CAS-BOT-BC192602
Deschampsia cespitosa subsp. holciformis
Dr. E. B. Copeland
1903-6-10
3305
San Mateo
Montara Point
Comment
SJSU15433
Deschampsia cespitosa subsp. holciformis
Toni Corelli
2010-5-4
626
San Mateo
Ano Nuevo, Cascade Field along Atkinson Bluff Trail
12
Comment
UCD63821
Deschampsia cespitosa subsp. holciformis
R. Tofsrud
1949-6-1
San Mateo
Hwy. #5, ca. 6 mi. from S.F. Co. line.
Comment
JROH5045
Deschampsia danthonioides
H. L. Mason
1921-5-13
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC902
Dicentra chrysantha
L. R. Abrams
1921-5-25
8007
San Mateo
Halfway to summit of Mt. Diablo
Comment
CAS-BOT-BC912
Dicentra formosa
J. H. Thomas
1961-5-14
9364
San Mateo
Vicinity of Pilarcitos Stone Dam on Pilarcitos Creek. San Francisco Watershed Reserve.
152
Comment
UC9936
Dicentra formosa
J. Burtt Davy
1895-4-21
1060
San Mateo
Pilarcitos Creek
Comment
JROH4655
Dichelostemma capitatum subsp. capitatum
John H. Thomas
1967-5-10
12854
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC502166
Dichelostemma congestum
Fred Hemphill
1973-4-22
730
San Mateo
San Carlos. Chaparral area north of Malabar Road and Melendy Drive.
207
Comment
UC634883
Dichondra donelliana
H. L. Mason
1928-2-22
4156
San Mateo
San Bruno Mountains
Comment
CAS-BOT-BC150444
Diplacus aurantiacus
Fred Hemphill
1973-4-8
662
San Mateo
San Carlos. Area north of Malabar Rd. and Melendy Dr.
207
Comment
CAS-BOT-BC150457
Diplacus aurantiacus
Viola Nichols
1911-5-6
1006
San Mateo
Belmont, 2nd hill
Comment
CAS-BOT-BC150464
Diplacus aurantiacus
Carl B. Wolf
1930-11-5
1804
San Mateo
Half way up east side of La Honda Grade, Santa Cruz Mtns.
304
Comment
CAS-BOT-BC151992
Diplacus douglasii
H. A. Dutton
1900-2-4
s.n.
San Mateo
Woodside serpentine.
Comment
CAS-BOT-BC151993
Diplacus douglasii
Roxana S. Ferris
1918-3-31
758
San Mateo
Bare hill above Helveto Lake- Mud Lakes, Coal Mine Ridge - Santa Cruz Mountain Peninsula
Comment
JEPS127891
Dipsacus sativus
Adam C. Schneider with C. Matt Guilliams and Will Freyman
2014-6-24
301
San Mateo
Crystal Springs Reservoir
Comment
CAS-BOT-BC121860
Dirca occidentalis
Walter Knight; Irja Knight; James B. Roof; Gregory Whipple; Ihsan A. Al-Shehbaz
1969-9-22
2792
San Mateo
0.9 miles from Pilarcitos Dam en route to Montara Mountain. On San Francisco Water Dept. Property.
274
Comment
HSC67075
Dirca occidentalis
Richard Spjut, Donald Stoffey
1980-5-15
6196
San Mateo
Palo Alto Foothill Park, along Steep Hollow Trail about 0.25 mi. from its junction with Wildhorse Valley.
229
Comment
JROH4204
Dirca occidentalis
John H. Thomas
1970-1-1
15496
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH4208
Dirca occidentalis
John H. Thomas
1975-4-3
17701
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
POM274504
Dirca occidentalis
Lyman D. Benson
1929-3-2
992
San Mateo
East of Lake Searsville
Comment
SJSU4530
Dirca occidentalis
L. S. Rose
1964-3-9
64004
San Mateo
N end Crystal Springs L
121
Comment
POM277204
Disporum hookeri var. hookeri
Lyman Benson
1937-8-15
8491
San Mateo
Upper San Francisquito Creek, Mt. Range: Santa Cruz; Watershed: San Francisco Bay.
244
Comment
CAS-BOT-BC195715
Distichlis spicata
Elizabeth McClintock; Paul Reeberg
1988-6-7
s.n.
San Mateo
PG&E Marsh
30
Comment
SJSU16012
Distichlis spicata
John Rawlings, Ken Hickman
2016-5-26
1814
San Mateo
Serpentine seep area (Fountain thistle seep) up-slope from the Hwy 92 west onramp to Hwy 280 north; down-slope from San Francisco Watershed fence line
122
Comment
UCD64379
Distichlis spicata var. stolonifera
A. A. Beetle
1942-10-1
1888
San Mateo
Near San Mateo, borders of San Francisco Bay.
Comment
JROH3376
Dodecatheon clevelandii subsp. patulum
Ellen Searby
1955-4-1
78
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH3381
Dodecatheon hendersonii
Le Roy Abrams
1902-4-5
2311
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH3382
Dodecatheon hendersonii
John H. Thomas
1958-2-15
6987
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
POM78433
Dodecatheon hendersonii subsp. cruciatum
A. D. E. Elmer
1903-04
s.n.
San Mateo
Woodsides.
Comment
CDA39076
Dracunculus vulgaris
M. K. Beyers
2013-5-31
s.n.
San Mateo
Montara State Beach, McNee Ranch Trail Trailhead.
Comment
CAS-BOT-BC159532
Drymocallis glandulosa var. glandulosa
Margaret A. Barry
1937-5-15
111
San Mateo
Woods on Coal Mine Ridge
Comment
CAS-BOT-BC159533
Drymocallis glandulosa var. glandulosa
Ethel Crum
1930-4-27
707
San Mateo
Woodside
152
Comment
CAS-BOT-BC159543
Drymocallis glandulosa var. glandulosa
Javier Penalosa
1963-2-23
2634
San Mateo
San Bruno Mtn., ravine south of Crocker Ave.
213
Comment
CAS-BOT-BC159542
Drymocallis glandulosa var. glandulosa
C. F. Leithold
1894-8-13
s.n.
San Mateo
Devil's Canyon, Black Mountain - Santa Cruz Peninsula
Comment
CAS-BOT-BC67892
Dryopteris arguta
David D. Keck
1932-2-12
1361
San Mateo
La Honda Road, east slope of Coast Range above Searsville Lake
304
Comment
CHSC39802
Dryopteris arguta
Maxey-Jones
1928-5-21
San Mateo
In La Honda Redwoods.
Comment Read comments Jul 7 2010
JROH28
Dryopteris arguta
Lawrence J. Winship
1974-11-2
5
San Mateo
Jasper Ridge Biological Preserve, Stanford University.
Comment
RSA693753
Dryopteris arguta
C. B. Wolf
1928-3-14
1537
San Mateo
La Honda grade in the Santa Cruz Mountains
152
Comment
CDA33784
Dudleya farinosa
D. G. Kelch
2011-3-13
11 .051-B
San Mateo
Pacifica. Along sea bluffs
Comment
CAS-BOT-BC428366
Dudleya farinosa
Dr. Barton W. Evermann
1924-6-22
s.n.
San Mateo
Ano [Ano] Nuevo Island
Comment
JROH5085
Echinochloa crus-galli
John H. Thomas
1974-10-29
17652
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Small peninsula created by drainage channel cut to accommodate water from Corte Madera Cr.
Comment
JROH5096
Echinochloa crus-galli
John Hunter Thomas
1991-11-21
25099
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Near low-flow crossing of San Francisquito Creek, in pavement.
Comment
CAS-BOT-BC203679
Elymus glaucus subsp. glaucus
Walter Knight; Irja Knight
1965-5-15
s.n.
San Mateo
San Bruno Mountain. Bitter Cherry Ravine
Comment
CAS-BOT-BC203688
Elymus glaucus subsp. glaucus
John H. Thomas
1961-5-7
9255
San Mateo
San Bruno Mountain in northern part of county
396
Comment
JROH5103
Elymus glaucus subsp. glaucus
John H. Thomas
1971-5-30
15979
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC235205
Elymus multisetus
Ned Cahill
1974-5-30
306
San Mateo
Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City
Comment
LA14855
Elymus multisetus
David D. Keck;
1932-5-6
1469
San Mateo
Belmont
Comment
UC942859
Epilobium canum subsp. canum
Lewis S. Rose
1949-9-11
49178
San Mateo
Skyline Blvd. 2 mi w Crystal Springs Lake
Comment
JROH3053
Epilobium ciliatum subsp. ciliatum
John Hunter Thomas
1978-7-2
19241
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near dam
Comment
JROH3056
Epilobium ciliatum subsp. ciliatum
John Rawlings
2004-7-4
0924
San Mateo
Jasper Ridge Biological Preserve, Stanford University; San Francisquito Creek near Dennis Martin site
71
Comment
JROH3064
Epilobium densiflorum
John Hunter Thomas
1979-9-9
19726
San Mateo
Jasper Ridge Biological Preserve, Stanford University; edge of Searsville Lake
Comment
JROH3068
Epilobium densiflorum
John Hunter Thomas
1981-7-12
20703
San Mateo
Jasper Ridge Biological Preserve, Stanford University; on old beach
Comment
RSA176752
Epilobium minutum
John H. Thomas
1963-5-15
10092
San Mateo
Jasper Ridge Biological Experimental Area. 5 miles SW of Palo Alto
Comment
CAS-BOT-BC57987
Equisetum
W. R. Dudley
1895-6-6
s.n.
San Mateo
Pescadero Creek, near Iverson's.
Comment
RSA0065214
Equisetum
A. C. Sanders
2014-8-3
41236
San Mateo
South San Francisco, San Francisco Bay Trail in vicinity of S Airport Drive, Utah Ave., and Haskins Way, between Hwy 101 and San Francisco Bay.
3
Comment
CAS-BOT-BC57086
Equisetum X ferrissii
E. Cannon
1898-5-24
s.n.
San Mateo
Colma
Comment
JEPS79605
Equisetum arvense
Edward Lee and Ann Johnson
1974-8-24
San Mateo
near Pillar Point (Princeton Marsh)
Comment
JROH58
Equisetum arvense
John Hunter Thomas
1982-11-6
21194
San Mateo
Jasper Ridge Biological Preserve, Stanford University.
Comment
JEPS79607
Equisetum hyemale subsp. affine
Edward Lee
1978-8-19
San Mateo
between Lake Pilarcitos and San Andreas
Comment
CAS-BOT-BC384628
Equisetum hyemale subsp. affine
R. D. Hennessey
1964-4-26
70
San Mateo
Area where Pilarcitos Creek empties into the ocean
Comment
RSA30891
Equisetum hyemale var. affine
Roxana S. Ferris
1921-3-20
2113
San Mateo
Pescadero near mouth of canon. The Santa Cruz Mtn Peninsula.
Comment
JROH66
Equisetum telmateia subsp. braunii
John H. Thomas
1974-5-3
17245
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek. Below dam.
Comment
SEINET11859536
Erechtites argutus
E. A. Purer
1933-8-13
5422
San Mateo
near Belmont
Comment
SEINET12141700
Eremocarpus setiger
E. A. Purer
1933-1
5513
San Mateo
Skyline Blvd
Comment
JROH3147
Eriastrum abramsii
Richard L. Garber
1971-5-11
5
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
SJSU12768
Eriastrum abramsii
Toni Corelli
1986-5-22
San Mateo
Edgewood County Park near junction of Edgewood Rd & Hwy 280, Redwood City
219
Comment
UC1347212
Eriastrum abramsii
Lewis S. Rose
1936-5-28
36305
San Mateo
w Redwood City; Emerald Lake
91
Comment
JROH653
Erigeron canadensis
John Hunter Thomas
1988-10-17
24600
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH654
Erigeron canadensis
John Hunter Thomas
1991-11-21
25105
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near low-flow crossing of San Francisquito Creek
Comment
CAS-BOT-BC300610
Erigeron foliosus var. franciscensis
C. F. Leitholt
1893-7-1
s.n.
San Mateo
Santa Cruz Mountain Peninsula. Near Searsville
Comment
POM204314
Erigeron glaucus
I. L. Wiggins
1929-7-4
3798
San Mateo
Pescadero Beach
Comment
SJSU2274
Erigeron glaucus
C. W. Sharsmith
1947-4-13
6755
San Mateo
Pescadero Beach, near Pescadero Point
Comment
CAS-BOT-BC295075
Erigeron glaucus
Daniel Cohen
1953-5-9
91
San Mateo
Between Pescadero and San Gregorio
Comment
SD234039
Erigeron glaucus
Virginia Pinkus Ryder
1964-2-21
77
San Mateo
1 mile past Greyound Rock.
29
Comment
CAS-BOT-BC216132
Eriodictyon californicum
Fred Hemphill
1973-4-22
700
San Mateo
North of Malabar Road and Melendy Dr., San Carlos
207
Comment
CAS-BOT-BC216133
Eriodictyon californicum
Fred Hemphill
1973-5-6
762
San Mateo
North of Malabar Road and Melendy Dr., San Carlos
207
Comment
LA205654
Eriodictyon californicum
Lewis S. Rose;
1932-5-3
32220
San Mateo
Belmont
182
Comment
SEINET6744709
Eriodictyon californicum
L. S. Rose
1941-7-2
41288
San Mateo
Kings Mountain, California.
Comment
CAS-BOT-BC250540
Eriogonum gracile
Gordon H. True
1937-7-31
831
San Mateo
Alpine Road near Skyline Blvd.
Comment
CAS-BOT-BC250549
Eriogonum gracile
Ned Cahill
1974-4-29
193
San Mateo
Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City
Comment
POM193637B
Eriogonum gracile
L. R. Abrams
1902-9-21
2988
San Mateo
Crystal Lake
Comment
POM165225
Eriogonum gracile var. gracile
Edward L. Greene
1902-9-10
1675
San Mateo
Crystal Springs Lake
Comment
RSA17962
Eriogonum gracile var. gracile
Carl B. Wolf
1927-8-15
718
San Mateo
Jasper Ridge near Searsville Lake
Comment
CAS-BOT-BC251980
Eriogonum latifolium
John H. Thomas
1961-5-7
9264
San Mateo
San Bruno Mountain in northern part of county.
914
Comment
CAS-BOT-BC251997
Eriogonum latifolium
Elsie Zeile
1909-8-23
s.n.
San Mateo
Granada. Open sandy cliff, bordering beach
Comment
RSA18452
Eriogonum latifolium
Carl B. Wolf
1927-6-29
555
San Mateo
South of Pebble Beach near Pescadero.
Comment
RSA18467
Eriogonum latifolium
Carl B. Wolf
1927-6-29
541
San Mateo
South of Pebble Beach near Pescadero.
Comment
UC1377660
Eriogonum latifolium
W. J. Dress
1951-8-29
4134
San Mateo
about 4.5 mi n Pigeon Point
Comment
SEINET11938065
Eriogonum latifolium
E. H. Graham
1931-1
6932
San Mateo
Ano Nuevo Point, S of San Francisco
Comment
CAS-BOT-BC264772
Eriogonum luteolum
George Oberlander
1949-7-30
349
San Mateo
San Francisco Watershed Reserve, south boundary
Comment
CAS-BOT-BC264773
Eriogonum luteolum
Paul R. Hichborn
1920-6-1
284
San Mateo
Back of Redwood City, Santa Cruz Mountain Peninsula
Comment
RSA423120
Eriogonum luteolum
L. S. Rose
1937-9-21
37661
San Mateo
Emerald Lake, west of Redwood City.
183
Comment
JROH3230
Eriogonum luteolum var. luteolum
John H. Thomas
1972-8-18
16146
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA423118
Eriogonum luteolum var. luteolum
E. A. Purer
1933-8-25
s.n.
San Mateo
Skyline Blvd, on hillside near Schullser tablet
Comment
JEPS83063
Eriogonum nudum
Roy E. Buck, Randall A. Morgan, James A. West
1983-7-23
450
San Mateo
1.4 km w San Andreas Dam (at n end of Sawyer Ridge, on sw-facing slope above last curve in gravel ridge road before intersection above San Andreas Dam); San Francisco Watershed Reserve, Sawyer Ridge
312
Comment
SJSU7503
Eriogonum nudum
Lewis S. Rose
1964-9-9
64074
San Mateo
W of Redwood City
243
Comment
JROH3240
Eriogonum nudum var. auriculatum
J. H. Thomas
1962-11-4
10013
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Near Westridge end.
Comment
RSA169305
Eriogonum nudum var. auriculatum
L. S. Rose
1964-9-9
64074
San Mateo
Emerald Lake, west of Redwood City
244
Comment
SBBG39490
Eriogonum nudum var. auriculatum
L. S. Rose
1970-7-26
70080
San Mateo
Hillsborough, Black Mtn, Skyline Blvd
121
Comment
CAS-BOT-BC304074
Eriophyllum confertiflorum
Fred Hemphill
1973-3-17
633
San Mateo
San Carlos. N of Malabar Rd and Melendry Dr
207
Comment
CAS-BOT-BC304082
Eriophyllum confertiflorum
Lewis S. Rose
1933-5-17
33176
San Mateo
Redwood City
Comment
CAS-BOT-BC304083
Eriophyllum confertiflorum
Margaret A. Barry
1937-6-22
172
San Mateo
Coal Mine Ridge
Comment
HSC23886
Eriophyllum confertiflorum
Mary Katherine Wicksten
1971-7-2
150
San Mateo
Huddart Park, near Mimwok area
Comment
CAS-BOT-BC301257
Eriophyllum lanatum var. arachnoideum
D. E. Breedlove
1974-5-13
36217
San Mateo
San Pedro Valley Park, Pacifica
152
Comment
CAS-BOT-BC301264
Eriophyllum lanatum var. arachnoideum
A. D. E. Elmer
1903-6-1
4397
San Mateo
San Mateo
Comment
JEPS19486
Eriophyllum lanatum var. arachnoideum
Peter H. Raven
1957-6-24
10963
San Mateo
just s of Linda Mar
Comment
JROH719
Eriophyllum lanatum var. arachnoideum
Volney Rattan
unspecified
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University; Searsville
Comment
CAS-BOT-BC301751
Eriophyllum latilobum
L. Constance
1938-5-16
2242
San Mateo
On San Mateo Creek, Half Moon Bay road 2 miles SW. of San Mateo
45
Comment
SD40140
Eriophyllum staechadifolium
Edith A. Purer
1933-7-27
5395
San Mateo
Partially stabilized san dunes, two miles south of Pigeon Point.
Comment
CAS-BOT-BC301966
Eriophyllum staechadifolium
George Oberlander
1949-7-30
332
San Mateo
San Francisco Watershed Reserve. Sweeney Ridge
Comment
RSA100993
Eriophyllum staechadifolium
G. Oberlander
1949-7-30
332
San Mateo
Sweeney Ridge, San Francisco Watershed Reserve
Comment
UC484306
Eriophyllum staechadifolium
Carl B. Wolf
1930-11-5
1808
San Mateo
2 mi s San Gregorio (hills near the ocean); ocean
Comment
CDA5404
Eriophyllum staechadifolium var. artemisiifolium
T. R. Haig
1959-6-22
2639
San Mateo
Half Moon Bay.
0
Comment
OBI49170
Eriophyllum staechadifolium var. artemisiifolium
Lewis S. Rose
1938-8-18
38233
San Mateo
Skyline Blvd, 3 mi S of San Francisco Co. line
61
Comment
JROH2590
Erodium botrys
John H. Thomas
1967-5-10
12838
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA391777
Erodium botrys
D. D. Keck
1932-4-18
1432
San Mateo
Mills Field Airport, San Francisco Bay.
2
Comment
SEINET12182126
Erodium botrys
G. A. McCallum
1933-1
s.n.
San Mateo
near Woodside
Comment
RSA391840
Erodium cicutarium
Glenn A. Gorelick
1967-4-4
s.n.
San Mateo
San Bruno Mts; overlooking Daly City near San Francisco.
Comment
UC874914
Eryngium armatum
Alice Eastwood and John Thomas Howell
1938-6-26
6065
San Mateo
Arroyo de los Frijoles
Comment
JROH235
Eryngium jepsonii
A. G. Vestal
1926-6
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University; summit of Jasper Ridge
Comment
CAS-BOT-BC54513
Erysimum capitatum
Reed Clark Rollins
1941-3-22
2951
San Mateo
San Bruno Hills, 2 miles southeast of Daly City.
Comment
CAS-BOT-BC54823
Erysimum franciscanum
A. D. E. Elmer
1903-5-1
4480
San Mateo
Crystal Springs Lake.
Comment
CAS-BOT-BC54824
Erysimum franciscanum
A. D. E. Elmer
1903-5-1
4480
San Mateo
Crystal Springs Lake.
Comment
CAS-BOT-BC54826
Erysimum franciscanum
Alice Eastwood
1914-3-12
s.n.
San Mateo
San Bruno Hills.
Comment
CAS-BOT-BC54841
Erysimum franciscanum
G. B. Rossbach; R. P. Rossbach
1939-6-4
914
San Mateo
Above southeast shore of Crystal Springs Lake, soutwest base Pulgas Ridge.
91
Comment
CAS-BOT-BC54852
Erysimum franciscanum
G. B. Rossbach; R. P. Rossbach
1939-3-28
905 a fl. 905b fr.
San Mateo
San Mateo Creek, below Crystal Springs Lake.
60
Comment
POM210208
Erysimum franciscanum
H. E. Parks
1930-3-10
401
San Mateo
Spring Valley Lakes
Comment
RSA101861
Erysimum franciscanum
G. B. Rossbach
1938-4-3
807
San Mateo
San Bruno Hills
Comment
RSA101865
Erysimum franciscanum
G. B. Rossbach
1939-6-4
915
San Mateo
West slope Buriburi Ridge, between Crystal Springs and San Andreas Lakes
122
Comment
RSA101867
Erysimum franciscanum
G. B. Rossbach
1940-5-24
932
San Mateo
San Bruno Hills, 1-1.5 miles southeast of highest peak
358
Comment
RSA51239
Erysimum franciscanum
P. H. Raven
1950-4-16
1781
San Mateo
Colma Canyon, San Bruno Mountains.
183
Comment
SBBG92004
Erysimum franciscanum
H. E. and S. T. Parks
1930-3-10
401
San Mateo
Spring Valley Lakes
Comment
UC1034936
Erysimum franciscanum
G. B. and R. P. Rossbach
1939-5-12
913
San Mateo
dunes just back of high sea-cliff 1 1/2 mi n Sharp Park (Salada Beach)
Comment
UC10577
Erysimum franciscanum
J. Burtt Davy
1895-4-20
1070
San Mateo
Crystal Springs Lake
Comment
SEINET14287519
Erythranthe guttata
A. A. Heller
1906-6-8
8376
San Mateo
Near Ocean View, San Francisco (on the Lake Merced side of the Ocean Shore tracks).
Comment
JROH5782
Erythranthe microphylla
John Rawlings
2015-5-3
1776
San Mateo
Jasper Ridge Biological Preserve, Stanford University; vernally wet area in serpentine prairie (Area C)
170
Comment
JEPS121486
Eschscholzia californica
Adam C. Schneider
2013-5-17
157
San Mateo
Crystal Springs Reservoir
Comment
JROH3099
Eschscholzia californica
John H. Thomas
1975-5-26
17911
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC403558
Eschscholzia californica
W. R. Ernst
1957-4-2
102
San Mateo
Near junction of Highway 1 and Skyline Blvd. among San Francisco Headlands
Comment
POM278183
Euonymus occidentalis
Lyman Benson
1937-8-15
8488
San Mateo
Upper San Francisquito Creek, Mt. Range: Santa Cruz; Watershed: San Francisco Bay.
244
Comment
JROH1797
Euonymus occidentalis var. occidentalis
E. I. Applegate
1895-5-11
67
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near Searsville Dam
Comment
UC565994
Euonymus occidentalis var. occidentalis
A. E. Wieslander
1925-9-25
1
San Mateo
Pescadero Creek Santa Cruz Quad., Pescadero Creek
152
Comment
POM282553
Euphorbia crenulata
Lyman Benson
1930-5-3
2089
San Mateo
Above Woodside, Mt. Range: Santa Cruz
244
Comment
RSA18354
Euphorbia lathyris
C. B. Wolf
1929-5-25
3734
San Mateo
2 miles from Pescadero on Alpine Creek.
Comment
JROH1977
Euphorbia spathulata
John Hunter Thomas
1977-6-7
18735
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC310626
Eurybia radulina
J. H. Thomas
1957-8-16
6823 A
San Mateo
Along Skyline Blvd., near entrance to Isenberg Ranch
518
Comment
CAS-BOT-BC310619
Eurybia radulina
L. R. Abrams
1916-10-19
6350
San Mateo
Searsville Ridge
Comment
JROH726
Euthamia occidentalis
John H. Thomas
1964-10-2
10511
San Mateo
Jasper Ridge Biological Preserve, Stanford University; edge of Searsville Lake near bridge
Comment
JROH728
Euthamia occidentalis
John H. Thomas
1974-9-19
17600
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near bridge
Comment
RSA176410
Euthamia occidentalis
John H. Thomas
1964-10-2
10511
San Mateo
Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Edge of Searsville Lake near Bridge.
Comment
SEINET10614933
Euthamia occidentalis
Delzie Demaree
1933-9-24
Demaree 10531
San Mateo
Rolling bay area. Leepsic Junction. P.O. Baden.
Comment
CAS-BOT-BC413877
Fallopia convolvulus
Ira L. Wiggins
1935-8-24
8159
San Mateo
2 mi. E. of Half Moon Bay
Comment
JROH5150
Festuca arundinacea
John Hunter Thomas
1979-5-22
19578
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH5175
Festuca arundinacea
John Rawlings
2013-4-30
1171
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Trail 2 east of trail 3 intersection in grassy opening.
81
Comment
SEINET10887997
Festuca arundinacea
P. Rubtzoff
1976-6-13
Rubtzoff 8633
San Mateo
Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction and northwest of Fog Forest.
Comment
JROH5821
Festuca bromoides
John Rawlings
2016-3-8
1682
San Mateo
Jasper Ridge Biological Preserve, Stanford University; Trail 14 uphill from dam spillway
108
Comment
CAS-BOT-BC278350
Festuca californica subsp. californica
L. R. A.
1902-5-11
2461
San Mateo
Crystal Springs
Comment
CAS-BOT-BC278359
Festuca californica subsp. californica
Walter Knight; Irja Knight
1964-5-4
s.n.
San Mateo
San Bruno Mountain. West slope of San Bruno Mountain
Comment
JROH5485
Festuca microstachys
John Rawlings
2005-3-30
1016
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Growing around and in cracks of serpentine rock outcrops in north-facing serpentine grassland (Area H), uphill and west of the exclosure.
146
Comment
JROH5493
Festuca microstachys
John Hunter Thomas
1986-5-8
24031
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH5509
Festuca microstachys
John Rawlings
2005-3-30
0901
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Growing around and in cracks of serpentine rock outcrops in north-facing serpentine grassland (Area H), uphill and west of the exclosure.
146
Comment
JROH5496
Festuca myuros
John H. Thomas
1967-5-12
12890
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH6208
Festuca myuros
John Rawlings
2014-3-25
1240
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Trail 2 at the Zoology Cabin foundation site.
75
Comment
JROH5281
Festuca perennis
John H. Thomas
1967-6-1
12956
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC77694
Ficus carica
John H. Thomas
1960-6-25
8795
San Mateo
Redwood City, running into Redwood Slough between El Camino Real and railroad tracks, near Maple Street
7
Comment
CAS-BOT-BC77693
Ficus carica
Elizabeth McClintock; Paul Reeberg
1988-5-12
s.n.
San Mateo
Juncus Ravine
Comment
RSA159417
Filago gallica
John H. Thomas
1961-5-7
9249
San Mateo
Colma, near intersection of El Camino Real and F Street
46
Comment
JROH247
Foeniculum vulgare
Toni Corelli
2005-8-1
297
San Mateo
Jasper Ridge Biological Preserve, Stanford University; along road C, southwest of low flow crossing
82
Comment
CDA34004
Fragaria californica
D. G. Kelch, David Gernandt, Steffi Ickert-Bond, Yingli Guo
2011-4-22
11 .151
San Mateo
Santa Cruz Mountains.; Skyline Blvd, ~ 5 miles W of Los Altos.
Comment
RSA10389
Fragaria californica
H. A. Barker
1926-5-15
626
San Mateo
King Mt.
Comment
RSA134237
Fragaria californica
John H. Thomas
1950-3-19
1299
San Mateo
Near intersection of Coast Hwy and road to Swanton, 1 mile SE of mouth of Waddell Creek.
30
Comment
POM275004
Fragaria californica
Lyman D. Benson
1928-4-21
101
San Mateo
Stanford University, Mt. Range: Santa Cruz; River: San Francisquito Creek.
91
Comment
RSA133096
Fragaria californica
Donald A. Johansen
1933-5-18
709
San Mateo
Along road from Portola to La Honda.
Comment
UC1536909
Fragaria chiloensis
Gordon H. True
1937-3-31
616
San Mateo
Salada Beach
Comment
CAS-BOT-BC437030
Fragaria chiloensis
W. R. Dudley
1894-5-24
s.n.
San Mateo
Near Pebble Beach, Pescadero, Santa Cruz Peninsula
Comment
CAS-BOT-BC437039
Fragaria chiloensis
Walter Knight; Irja Knight
1964-4-25
688
San Mateo
West of Radio Road, San Bruno Mountain
Comment
CAS-BOT-BC437040
Fragaria chiloensis
Walter Knight; Irja Knight
1963-8-5
130
San Mateo
Radio Road, San Bruno Mountain
Comment
CAS-BOT-BC389686
Fragaria vesca subsp. californica
Jeanie Nieri
1953-2-14
75
San Mateo
Hillside 6 miles west of Belmont
Comment
CAS-BOT-BC457515
Fragaria vesca subsp. californica
W. R. Dudley
1894-7-28
s.n.
San Mateo
hill between La Honda and Pescadero, Santa Cruz Mountain Pennisula
Comment
CAS-BOT-BC457522
Fragaria vesca subsp. californica
Le Roy Abrams
1898-3-1
s.n.
San Mateo
Kings Mountain
Comment
CAS-BOT-BC457523
Fragaria vesca subsp. californica
Elizabeth McClintock; Arthur Menzies
1963-2-16
s.n.
San Mateo
Below top of mountain in vicinity of radio station, San Bruno Mountain
Comment
CAS-BOT-BC52681
Frangula californica subsp. californica
Elizabeth McClintock
1963-6-9
s.n.
San Mateo
unspecified
Comment
CAS-BOT-BC211606
Frankenia salina
Walter Knight; Irja Knight
1964-9-2
s.n.
San Mateo
Northwest beach, Point San Bruno, San Bruno Mountain
Comment
OBI75351
Frankenia salina
Lewis S. Rose
1938-8-18
38230
San Mateo
Brisbane
2
Comment
CAS-BOT-BC130138
Fritillaria affinis
Eric Walther
1920-5-9
s.n.
San Mateo
Woodside
Comment
SDSU20649
Fritillaria affinis
Sean Ryan, Neal Kramer
2011-3-25
84
San Mateo
N-facing slope 50m west of a jeep turnabout ~1.34mi E of where Bean Hollow Rd. crosses Lake Lucerne. 200m E of Arroyo de los Frijoles. Cloverdale Ranch.
112
Comment
UC3641
Fritillaria affinis
J. Burtt Davy
1895-4-20
1056
San Mateo
Lake Pilarcitos
Comment
CAS-BOT-BC130121
Fritillaria affinis
George Oberlander
1949-4-17
81
San Mateo
Pilarcitos Canyon
Comment
CAS-BOT-BC130125
Fritillaria affinis
Catherine A. Toschi
1963-3-17
63 :55
San Mateo
East slope San Bruno Mountains below radio station
213
Comment
POM196511
Fritillaria affinis
W. R. Dudley
1900-3-16
s.n.
San Mateo
By Redwood stage road below Woodside, Santa Cruz Peninsula
Comment
RSA15286
Fritillaria affinis
Carl B. Wolf
1927-4-3
254
San Mateo
1 mile above La Honda. Santa Cruz Mountains
Comment
SDSU20660
Fritillaria liliacea
Sean Ryan
2011-3-19
77
San Mateo
On E side of Serpentine Loop trail, 175 yds N of the service road entering from Robertson Way. Edgewood County Park.
209
Comment
CAS-BOT-BC258909
Galium
Peter Rubtzoff
1988-6-25
9928
San Mateo
Menlo Park, on Willow Road near Alma Street.
Comment
CDA28822
Galium aparine
D. G. Kelch
2009-6-9
9 .401
San Mateo
Santa Cruz Mts.; Chert outcrop and adjacent mixed evergreen forest along Skyline Blvd ~1 km W of Skegg s Point.
Comment
UCSB9136
Galium aparine
Walker, Clifford
1954-4-20
San Mateo
50 yards from ocean; 1 mi S. of Half Moon Bay
Comment
JROH3797
Galium murale
John H. Thomas
1975-4-19
17790
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH3812
Galium porrigens var. porrigens
John Hunter Thomas
1981-5-25
20619
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UC496159
Galium porrigens var. porrigens
W. F. Wight
1900-1-28
San Mateo
trail to Bukhorn Ranch above Prestons (old La Honda Rd.)
Comment
JEPS83562
Galium trifidum var. pacificum
Dean W. Taylor
1987-8-20
9310
San Mateo
between Whitehorse Creek and Cascade Creek (about spring/seep); Santa Cruz Mts., Cascade Ranch state park area
76
Comment
JROH3820
Galium triflorum
Toni Corelli
2004-4-22
274
San Mateo
Jasper Ridge Biological Preserve, Stanford University; Trail 1 just past the first redwood grove
79
Comment
JROH5574
Gamochaeta ustulata
John H. Thomas
1962-5-31
9896
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near Westridge end of the ridge
Comment
JROH802
Gamochaeta ustulata
John Hunter Thomas
1987-5-5
24254
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UCD84710
Gamochaeta ustulata
Robert E. Preston
2009-6-16
2688
San Mateo
Santa Cruz Mtns, ca. 0.5 mi NW of Waterman Gap.
347
Comment
RSA218010
Gamochaeta ustulata
Phillip Wheeler
1965-5-12
s.n.
San Mateo
Pig Ranch Ravine; San Bruno Mountains.
Comment
CAS-BOT-BC278664
Gastridium phleoides
C. F. Leitholt
1894-8-13
s.n.
San Mateo
Santa Cruz Mountain Peninsula. Devils Canon [Canyon], Mill Cr.
Comment
JROH5192
Gastridium phleoides
John Hunter Thomas
1983-5-31
22316
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Near oval used for bicycle riding.
Comment
SJSU15819
Gastridium phleoides
John Rawlings, Ken Hickman
2016-7-21
1907
San Mateo
Serpentine seep area (Fountain thistle seep) up-slope from the Hwy 92 west onramp to Hwy 280 north; down-slope from San Francisco Watershed fence line
122
Comment
UCD66567
Gastridium phleoides
A. A. Beetle
1942-6-11
3599
San Mateo
Rt. 5, 15 miles south of San Bruno.
Comment
SACT001241
Gastridium ventricosum
Malcolm Nobs, S. Smith
1949-8-26
San Mateo
Marshy streambank about 1 mile south of Pigeon Point.
Comment
CDA5303
Gaura sinuata
G. D. Barbe
1974-6-4
1824
San Mateo
Middle Fork San Pedro Creek, southeast of Oddstad Boulevard, Linda Mar District.
0
Comment
UCSB51744
Genista monspessulana
Farneman, H.
1967-3-18
San Mateo
On north side of Half Moon Bay Rd.; 1 mi. west of its junction with State Hwy. 35; San Francisco Penninsula
457
Comment
JROH2611
Geranium dissectum
John H. Thomas
1967-4-20
12705
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
POM65904
Gilia achilleifolia
C. F. Baker
1902-4-6
467
San Mateo
Crystal Springs Lake.
Comment
JROH3151
Gilia achilleifolia subsp. multicaulis
John H. Thomas
1967-4-28
12722
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH3167
Gilia clivorum
John Hunter Thomas
1991-4-11
24980
San Mateo
Jasper Ridge Biological Preserve, Stanford University; below dam
Comment
UC75487
Gilia clivorum
C. F. Baker
Apr 1903
1930
San Mateo
Crystal Springs Lake
Comment
CAS-BOT-BC303687
Glebionis coronaria
Walter & Irja Knight
1967-6-6
2071
San Mateo
San Bruno Mt. Point San Bruno
Comment
JROH2027
Glycyrrhiza lepidota
Toni Corelli
2006-8-9
317
San Mateo
Jasper Ridge Biological Preserve, Stanford University; top of slope at beginning of Trail 12, above smaller quarried area
106
Comment
RSA128833
Gnaphalium beneolens
Roxana S. Ferris
1920-9-3
2052
San Mateo
Near upper Mud Lake, Coal Mine Ridge, Santa Cruz Mountain Peninsula
Comment
POM58028
Gnaphalium chilense
E. B. Copeland
1903-6-18
3211
San Mateo
Montara Point.
Comment
CAS-BOT-BC307439
Gnaphalium palustre
Le Roy Abrams
1900-10-1
1006
San Mateo
Searsville Lake
Comment
UCR252691
Grindelia
A. C. Sanders
2014-8-3
41238
San Mateo
San Francisco Bay, South San Francisco, San Francisco Bay Trail in vicinity of S Airport Drive, Utah Ave., and Haskins Way, between Hwy 101 and San Francisco Bay
6
Comment
POM359103
Grindelia
D. D. Keck
1931-9-27
1273
San Mateo
Dumbarton Bridge.
Comment
RSA40139
Grindelia camporum
L. S. Rose
1948-11-29
48243
San Mateo
Mills Field.
Comment
CAS-BOT-BC304510
Grindelia hirsutula
David D. Keck
1931-9-27
1273
San Mateo
Dumbarton Bridge
Comment
CAS-BOT-BC304526
Grindelia hirsutula
Walter Knight; Irja Knight; Elizabeth McClintock
1963-9-2
s.n.
San Mateo
San Bruno Mountain. Radio Road
Comment
CAS-BOT-BC304534
Grindelia hirsutula
John Thomas Howell
1924-10-26
724
San Mateo
Moss Beach
Comment
CAS-BOT-BC304544
Grindelia hirsutula
W. R. Dudley
1894-5-1
s.n.
San Mateo
Santa Cruz Peninsula. Near San Mateo
Comment
CAS-BOT-BC304557
Grindelia hirsutula
J. T. Howell
1933-12-5
11731
San Mateo
Crystal Springs Lake
Comment
CAS-BOT-BC304564
Grindelia hirsutula
H. L. Mason
1921-7-3
s.n.
San Mateo
Pescadero - La Honda Road
Comment
POM190261
Grindelia hirsutula
D. D. Keck
1932-5-25
1783
San Mateo
Hills two miles W of Belmont
Comment
POM57690
Grindelia hirsutula
C. F. Baker
1902-5-1
687
San Mateo
Crystal Springs Lake.
Comment
UC520425
Grindelia hirsutula
J. A. Moore and J. A. Steyermark
1931-8-7
3684
San Mateo
South San Francisco
0
Comment
UC897085
Grindelia hirsutula
J. T. Howell
1932-10-21
San Mateo
Pigeon Point
Comment
CDA6166
Grindelia stricta var. angustifolia
T. C. Fuller
1968-9-25
17641
San Mateo
North of road, west end of Dumbarton Bridge, Menlo Park.
0
Comment
SEINET191590
Grindelia stricta var. angustifolia
L. S. Rose
1938-8-18
38229
San Mateo
Brisbane
2
Comment
POM204326
Grindelia stricta var. platyphylla
I. L. Wiggins
1929-7-4
3799
San Mateo
Pescadero Beach
Comment
SJSU16022
Hainardia cylindrica
John Rawlings, Toni Corelli
2016-5-13
1793
San Mateo
Fairway Dr. access path to Mori Point. USGS Montara Mountain 7.5 Minute (1:24,000 Scale)
34
Comment
JROH439
Hedera helix
John H. Thomas
1967-6-1
12974
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC309537
Helenium puberulum
Josephine D. Randall
1907-7-24
71
San Mateo
Santa Cruz Peninsula. Near Crystal Springs Lake
Comment
SJSU15964
Helenium puberulum
John Rawlings, Ken Hickman
2016-5-26
1841
San Mateo
Serpentine seep area up-slope from the Hwy 92 west onramp to Hwy 280 north; down-slope from San Francisco Watershed fence line
122
Comment
HSC23988
Helenium puberulum
Mary Katherine Wicksten
1971-6-22
93
San Mateo
Huddart Park; by Madrone Area, toward Miwok Shelter
Comment
RSA0034607
Helenium puberulum
I. L. Wiggins
1929-7-4
3791
San Mateo
4 miles W of La Honda on hill road to Pescadero Beach.
Comment
UCD132749
Helenium puberulum
W. A. Harvey; J. M. Tucker
1948-6-28
1701
San Mateo
on ridge around 3 miles north of Pescadero.
Comment
UCD18540
Helenium puberulum
Roman Gankin
1950-7-4
8
San Mateo
east side of the Peninsula Coast Range, off of the King's Mtn. Rd. behind Woodside.
609
Comment
JROH854
Helianthella californica var. californica
John Hunter Thomas
1980-5-8
19942
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH856
Helianthella californica var. californica
John Hunter Thomas
1981-5-8
20564
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC224056
Helianthemum scoparium
James McMurphy
1907-5-19
s.n.
San Mateo
Coal Mine Ridge
Comment
JROH1836
Helianthemum scoparium
Oz Garton
1968-5-27
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UC1069463
Helianthus californicus
G. E. Sindel
1935-8-27
341
San Mateo
2 miles S. of Crystal Springs Lake; Santa Cruz Quadrangle
Comment
SD39702
Heliotropium curassavicum
Edith A. Purer
1933-7-27
5396
San Mateo
2.0 miles south of Pigeon Point.
Comment
CAS-BOT-BC305928
Helminthotheca echioides
Walter Knight; Irja Knight
1963-8-5
s.n.
San Mateo
San Bruno Mountain. Radio Road
Comment
CAS-BOT-BC305931
Helminthotheca echioides
Alice Eastwood
1919-9-1
s.n.
San Mateo
San Mateo
Comment
JROH1167
Helminthotheca echioides
John H. Thomas
1970-7-5
15668
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH1174
Helminthotheca echioides
John Hunter Thomas
1982-7-22
21086
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near main gate on Sand Hill Rd.
Comment
UCR80233
Hemizonia congesta
L. S. Rose
1964-9-5
64070
San Mateo
San Francisco Bay Region, Emerald Lake, west of Redwood City
244
Comment
CAS-BOT-BC314910
Hemizonia congesta subsp. luzulifolia
Ned Cahill
1974-4-29
203
San Mateo
Near the intersection of Canada and Edgewood Roads about 3 mi. westward from Redwood City
Comment
CAS-BOT-BC314919
Hemizonia congesta subsp. luzulifolia
John H. Thomas
1959-8-22
8078
San Mateo
Jasper Ridge, about 5 miles southwest of Palo Alto
182
Comment
CDA7038
Hemizonia congesta subsp. luzulifolia
A. C. Browne
1950-8-12
San Mateo
Portola.
0
Comment
SBBG28892
Hemizonia congesta subsp. luzulifolia
L. S. Rose
1935-9-21
San Mateo
Redwood City
Comment
SBBG39532
Hemizonia congesta subsp. luzulifolia
L. S. Rose
1970-7-26
San Mateo
Hillsborough, Black Mtn, Skyline Blvd
121
Comment
CAS-BOT-BC314926
Hemizonia congesta subsp. luzulifolia
W. R. Dudley
1894-4-21
s.n.
San Mateo
Crystal Springs
Comment
CAS-BOT-BC314934
Hemizonia congesta subsp. luzulifolia
James I. McMurphy
1907-8-6
s.n.
San Mateo
Low ground east of causeway, Crystal Springs Lakes
Comment
CAS-BOT-BC314944
Hemizonia congesta subsp. luzulifolia
H. M. Hall
1916-7-14
10227
San Mateo
North of Belmont
Comment
SEINET11841255
Hemizonia corymbosa
E. H. Graham
1931-1
6924
San Mateo
Ano Nuevo Point
Comment
RSA133899
Hemizonia corymbosa subsp. corymbosa
John H. Thomas
1959-8-16
8067
San Mateo
About 2 miles N of Pigeon Point along the coast.
15
Comment
RSA81560
Hemizonia luzulifolia
James I. McMurphy
1908-8-20
s.n.
San Mateo
Near causeway, between lakes, Crystal Springs Reservoir.
Comment
RSA132469
Hemizonia luzulifolia subsp. rudis
John H. Thomas
1959-8-22
8078
San Mateo
Jasper Ridge, about 5 miles southwest of Palo Alto.
152
Comment
UC204735
Heracleum lanatum
A. D. E. Elmer
July, 1903
5073
San Mateo
Pilarcitos Stone Dam
Comment
JROH880
Hesperevax sparsiflora var. sparsiflora
John H. Thomas
1955-5-6
4980
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH892
Hesperevax sparsiflora var. sparsiflora
John Hunter Thomas
1981-5-25
20634
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC403869
Hesperocnide tenella
Margaret A. Barry
1938-5-29
264
San Mateo
Corte Madera Creek near Coal Mine Ridge
Comment
UCSB24049
Hesperocyparis abramsiana
Dutton, H.
1949-9-19
San Mateo
Common corners of sections 11 & 12 and 13 & 14 Range 4 West, on the north bank of the North Fork of Butano Creek
Comment
CAS-BOT-BC176209
Hesperolinon congestum
L. R. Abrams
1910-5-7
s.n.
San Mateo
Crystal Springs Lake
Comment
RSA30460
Hesperolinon congestum
A. A. Heller
1907-5-28
8572
San Mateo
Near Crystal Springs.
Comment Read comments May 14 2015
JROH2927
Hesperolinon micranthum
John H. Thomas
1968-5-22
14460
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH2935
Hesperolinon micranthum
John Hunter Thomas
1983-6-29
22707
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC148466
Heteromeles arbutifolia
W. R. Dudley
1904-12-7
s.n.
San Mateo
East of Baker's Beach - Santa Cruz Mountain Peninsula
Comment Read comments Oct 11 2021
RSA451286
Heteromeles arbutifolia
E. A. Purer
1932-7-18
15930
San Mateo
Kings Mtn
Comment
RSA71287
Heteromeles arbutifolia
L. S. Rose
1949-8-10
49156
San Mateo
Skyline Blvd, W of Tanforan
122
Comment
UC311087
Heteromeles arbutifolia
A. D. E. Elmer
Feb 1903
4575
San Mateo
Portola
Comment
RSA0072444
Heteromeles arbutifolia
L. S. Rose
1948-11-25
48241
San Mateo
Woodside.
366
Comment
CAS-BOT-BC310272
Heterotheca grandiflora
Philip Wheeler
1966-10-16
s.n.
San Mateo
San Bruno Mountain. Crocker Industrial Park
Comment
CAS-BOT-BC420894
Heuchera micrantha var. diversifolia
Margaret A. Barry
1938-5-29
262
San Mateo
Corte Madera Creek near Coal Mine Ridge
Comment
UC662649
Heuchera micrantha var. erubescens
L. S. Rose
1941-7-2
41289
San Mateo
Kings Mountain
600
Comment
SEINET9737076
Heuchera micrantha var. pacifica
L. S. Rose
1941-7-2
41289
San Mateo
Kings Mountain
600
Comment
CAS-BOT-BC319631
Hieracium albiflorum
C. F. Leithold
1894-8-13
s.n.
San Mateo
Devil's Canyon, Black Mountain, Santa Cruz Mountain Peninsula
Comment
CAS-BOT-BC319635
Hieracium albiflorum
W. R. Dudley
1894-7-7
s.n.
San Mateo
Bear Gulch Road, Santa Cruz Peninsula
Comment
RSA187345
Hierochloe occidentalis
John H. Thomas
1954-4-3
3820
San Mateo
Along San Gregorio Creek about 1.5 miles west of La Honda.
107
Comment
UC1132086
Hierochloe occidentalis
Beryl Schreiber
1939-4-3
2609
San Mateo
Pescadero-La Honda road 1 mi s La Honda; Santa Cruz Quadrangle
152
Comment
UC75024
Hierochloe occidentalis
C. F. Baker
1902-1-15
247
San Mateo
w side of mountain King's Mountain
Comment
UC912633
Hierochloe occidentalis
Herbert L. Mason
1927-4-23
3669
San Mateo
La Honda
Comment
CAS-BOT-BC55442
Hirschfeldia incana
Ned Cahill
1974-10-8
375
San Mateo
About 3 miles westward from Redwood City. Near the intersection of Canada and Edgewood Roads.
Comment
CAS-BOT-BC55437
Hirschfeldia incana
Walter Knight; Irja Knight
1964-5-4
s.n.
San Mateo
San Bruno Mountains. Colma Canyon.
Comment
CAS-BOT-BC55440
Hirschfeldia incana
Phillip Wheeler
1965-6-7
s.n.
San Mateo
San Bruno Mountains. Bottom Owls Canyon.
Comment
CAS-BOT-BC289249
Holcus lanatus
George Oberlander
1949-7-10
262
San Mateo
San Francisco Watershed Reserve, south boundary
Comment
JROH5205
Holcus lanatus
Le Roy Abrams
1900-10-1
1014
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Searsville.
Comment
JROH5216
Holcus lanatus
John Hunter Thomas
1988-6-2
24501
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Near old bridge.
Comment
UCR121583
Holcus lanatus
George K. Helmkamp, E. A. Helmkamp
1999-6-28
4984
San Mateo
Pescadero Creek Watershed, Pescadero Road just north of Loma Mar
107
Comment
UC311487
Holodiscus discolor
A. D. E. Elmer
Jun 1903
4274
San Mateo
San Mateo
Comment
RSA681423
Holodiscus discolor
Annuschka Deb
1989-7-19
315
San Mateo
YBN [Yerba Buena Nursery], Woodside.
Comment
CAS-BOT-BC150056
Holodiscus discolor var. discolor
A. D. E. Elmer
1903-6-1
4274
San Mateo
San Mateo
Comment
CAS-BOT-BC150062
Holodiscus discolor var. discolor
Elizabeth McClintock
1965-6-13
s.n.
San Mateo
Colma Canyon
Comment
JROH3689
Holodiscus discolor var. discolor
John H. Thomas
1971-5-30
15982
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Woods near dam
Comment
CAS-BOT-BC150063
Holodiscus discolor var. discolor
Elizabeth McClintock
1965-3-28
s.n.
San Mateo
In Trillium Gulch
Comment
POM295704
Hordeum
Lyman Benson
1930-4-26
2058
San Mateo
Stanford University.
122
Comment
POM205104
Hordeum brachyantherum
E. B. Copeland
1903-6-10
3304
San Mateo
Montara Point.
Comment
RSA6305
Hordeum brachyantherum
D. D. Keck
1965-5-6
1465
San Mateo
Belmont
Comment
CDA32405
Hordeum brachyantherum
G. M. Gregory
1962-5-1
San Mateo
Crocker Hills, Brisbane
0
Comment
CAS-BOT-BC284681
Hordeum brachyantherum subsp. brachyantherum
A. D. E. Elmer
1903-6-1
4851
San Mateo
Crystal Springs Lake
Comment
JROH5231
Hordeum brachyantherum subsp. californicum
W. Lennihan
1989-5-4
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Left of fire road F going north, across from experimental tall poles.
Comment
JROH5232
Hordeum brachyantherum subsp. californicum
John Hunter Thomas
1992-5-25
25341
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
SJSU15907
Hordeum brachyantherum subsp. californicum
John Rawlings, Sara Timby, Toni Corelli
2016-4-23
1732
San Mateo
Bean Hollow bluff trail, west of Hwy 1 south of Pescadero
8
Comment
SEINET10598954
Hordeum californicum
Delzie Demaree
1932-5-16
Demaree 9144
San Mateo
Spring Valley Lakes.
Comment
CAS-BOT-BC289457
Hordeum murinum subsp. leporinum
John H. Thomas
1963-5-20
10152
San Mateo
Ano Nuevo Island about one half mile off shore and about 20 miles NW of Santa Cruz
Comment
JROH5257
Hordeum murinum subsp. leporinum
John H. Thomas
1975-4-18
17783
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH5262
Hordeum murinum subsp. leporinum
John Rawlings
2013-4-10
1129
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Where the brick path ends at the visitor parking lot of the Sun Field Station.
119
Comment
CAS-BOT-BC271354
Hordeum vulgare
Fred Hemphill
1973-4-15
671
San Mateo
Area north of Malabar Road and Melendy Drive, San Carlos
207
Comment
CAS-BOT-BC271400
Hordeum vulgare
John H. Thomas
1974-4-11
17123
San Mateo
Area to the SE of Canada Road and Edgewood Road, NW of Woodside
152
Comment
RSA181227
Horkelia californica
John H. Thomas
1964-6-19
10425
San Mateo
0.9 miles S of Tunitas Creek near Coast Hwy,
61
Comment
UC1041008
Horkelia californica
J. W. Congdon
1897-8-11
San Mateo
San Gregorio
Comment
CAS-BOT-BC536148
Horkelia californica
Elizabeth McClintock; Carlyn Halde
1963-6-23
s.n.
San Mateo
Below parking lot, San Bruno Mountain
Comment
CAS-BOT-BC532057
Horkelia californica var. frondosa
W. R. Dudley
1894-5-1
s.n.
San Mateo
Woodside to Crystal Springs Reservoir
Comment
CAS-BOT-BC143922
Horkelia cuneata var. sericea
W. R. Dudley
1901-5-11
s.n.
San Mateo
Near Colma
Comment
CAS-BOT-BC143923
Horkelia cuneata var. sericea
A. D. E. Elmer
1903-4-1
5036
San Mateo
Cemeteries
Comment
UCR253352
Hydrocotyle moschata
A. C. Sanders
2014-8-3
41241
San Mateo
San Francisco Bay, South San Francisco, Utah Ave. near Harbor Way, north of S.F. Intl. Airport
4
Comment
CAS-BOT-BC400967
Hypericum anagalloides
Philip Wheeler
1965-6-16
s.n.
San Mateo
San Bruno Mountains. In Colma Canyon
Comment
JROH913
Hypochaeris glabra
John H. Thomas
1965-4-28
10596
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH916
Hypochaeris glabra
John H. Thomas
1973-4-20
16581
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA176615
Hypochaeris glabra
John H. Thomas
1964-4-30
10338
San Mateo
Near intersection of El Camino Real and F St, Colma
Comment
UCSC007758
Hypochaeris glabra
Becky Hendricks
2012-5-16
s.n.
San Mateo
Ano Nuevo State Park
Comment
JROH941
Hypochaeris radicata
John Hunter Thomas
1989-5-9
24716
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UC1069670
Hypochaeris radicata
N. K. Carlson
1935-6-29
109
San Mateo
1 mi s Pescadero; Santa Cruz Quad.
Comment
CAS-BOT-BC311486
Hypochaeris radicata
Roxana S. Ferris
1917-10-19
727
San Mateo
Crystal Springs Lakes
Comment
JROH929
Hypochaeris radicata
John H. Thomas
1974-5-19
17383
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
POM290987
Iris douglasiana
Lyman Benson
1930-5-3
2105
San Mateo
Above Woodside, Mt. Range: Santa Cruz
244
Comment
UC1300946
Iris douglasiana
Helen K. Sharsmith
1963-2-16
5146
San Mateo
Summit of San Bruno Mountain; San Francisco Bay Region
396
Comment
POM290981
Iris douglasiana
Robert Benson
1930-4-6
2043
San Mateo
Moss Beach
15
Comment
CAS-BOT-BC133650
Iris longipetala
William R. Dudley
1893-4-1
s.n.
San Mateo
So. San Francisco, above Millbrae
Comment
CAS-BOT-BC133661
Iris longipetala
George Oberlander
1950-4-2
587
San Mateo
San Andreas Lake
Comment
SJSU7515
Iris longipetala
Lewis S. Rose
1968-3-26
68009
San Mateo
S base San Bruno Mts, S San Francisco
30
Comment
UC844901
Iris longipetala
Lewis S. Rose
1938-4-1
38111
San Mateo
above Visitacion Valley; San Bruno Hills
60
Comment Read comments Oct 22 2013
RSA185867
Iris missouriensis
John H. Thomas
1955-4-6
4838
San Mateo
East facing slope of San Bruno Mountain just north of South San Francisco
30
Comment
POM290948
Iris missouriensis
Lyman Benson
1929-3-21
1021
San Mateo
Wet places north of South San Francisco
Comment
RSA32647
Iris missouriensis
Carl B. Wolf
1943-3-3
11443
San Mateo
Visitation Point, along the Bayshore Highway, just north of community of Brisbane
61
Comment
JROH4434
Iris pseudacorus
John Hunter Thomas
1981-7-12
20693
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Edge of lake
Comment
UC184381
Isocoma menziesii var. vernonioides
Harriet A. Walker
1915-9-19
3833
San Mateo
near Uncle Tom's Cabin; road to Burlingame
Comment
CAS-BOT-BC112605
Isolepis cernua
Alice Eastwood; John Thomas Howell
1938-6-26
6066
San Mateo
Arroyo de los Frijoles
Comment
CAS-BOT-BC112441
Isolepis cernua
Lewis Samuel Rose
1956-7-2
56117
San Mateo
Skyline Blvd. hills of San Mateo
182
Comment
CAS-BOT-BC112621
Isolepis cernua
W. R. Dudley
1909-10-4
s.n.
San Mateo
Border of Laguna Alta near Mussel Rock.
Comment
POM312326
Jaumea carnosa
Malcolm A. Nobs, S. Galen Smith
1949-8-26
1598
San Mateo
Marshes at the mouth of Pescadero Creek.
Comment
UC672619
Juglans californica var. hindsii
Herbert L. Mason
1924-10-8
1107
San Mateo
along creek at n end Jasper Ridge (2 1/2 mi w of Palo Alto); San Francisquito Creek
Comment Read comments Sep 19 2011
JROH4448
Juncus bolanderi
Ann Lambrecht
2004-7-21
12
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Edge of Corte Madera Creek.
Comment
SEINET3877740
Juncus bufonius
Ira L. Wiggins, Roxana S. Ferris
1939-8-2
9291
San Mateo
Ano Nuevo Point.; 0
Comment
SEINET3877711
Juncus bufonius
Kaye H. Thorne, J. Chandler
1986-7-25
4944
San Mateo
Half Moon Bay, 2 mi S of Moss Beach at Dune Beach. Sand dunes and beach area adjacent to the Pacific Ocean.; 0
Comment
JEPS91286
Juncus bufonius var. bufonius
Dean W. Taylor
1989-3-30
10200
San Mateo
San Bruno Mountain, along Bayshore Avenue near PG&E substation, in right-of-way of eastern-most set of PGandE high- voltage lines
12
Comment
JROH4456
Juncus bufonius var. occidentalis
Arthur Spiegler
1952-5-10
81
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH4468
Juncus bufonius var. occidentalis
John H. Thomas
1978-5-16
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UCSC007263
Juncus lescurii
Randall Morgan
1987-4-29
s.n.
San Mateo
Ravine in 1st big gorge north of
Comment
JROH4484
Juncus occidentalis
John Hunter Thomas
1978-5-16
19215
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH4488
Juncus occidentalis
John Hunter Thomas
1982-5-18
20934
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Old racing oval.
Comment
UCD164603
Juncus patens
Peter Rubtzoff; Roman Gankin
1975-9-11
8375
San Mateo
San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction.
Comment
SD260865
Juncus phaeocephalus
Peter Rubtzoff
1976-6-30
8706
San Mateo
Central Coast: San Bruno Mountains. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction; westernmost part of the area on slope across fence. Dirt roadside near a marsh.
182
Comment
CAS-BOT-BC154127
Juncus phaeocephalus var. paniculatus
Peter Rubtzoff
1979-7-26
9298
San Mateo
San Bruno Mountain. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction.
Comment
JROH4503
Juncus phaeocephalus var. paniculatus
Toni Corelli, John Rawlings
2007-9-26
0341
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Seasonally wet area east of Trail 10.
178
Comment
UC625335
Juncus phaeocephalus var. paniculatus
L. R. Abrams and I. L. Wiggins
1939-6-3
426
San Mateo
Ano Nuevo Point
Comment
UCR244622
Juncus phaeocephalus var. paniculatus
Peter Rubtzoff
1979-7-26
9298
San Mateo
'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction, San Bruno Mountains
213
Comment
SJSU9859
Juncus tenuis
Roberta Sears
1968-5-25
81
San Mateo
Woodside, 2 mi NNW of Searsville Lake
Comment
JROH5666
Juncus xiphioides
John Rawlings
2011-8-10
0997
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Corte Madera Creek delta near open water.
104
Comment
JROH4038
Kickxia elatine
Herbert Dengler
1961-9-24
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University; S.F. Creek bed -- about midway between tiger lily site and old Zoology Cabin site -- directly below nesting sites of Kingfisher and Rough-winged Swallow
Comment
JROH5741
Kickxia spuria
John Rawlings
2015-10-2
1661
San Mateo
Jasper Ridge Biological Preserve, Stanford University; Bear Creek
81
Comment
JROH4048
Kickxia spuria
John Hunter Thomas
1981-10-25
20772
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near main gate
Comment
POM190453
Koeleria macrantha
D. D. Keck
1932-5-6
1476
San Mateo
Above Millbrae Highlands
Comment
RSA87125
Koeleria macrantha
D. D. Keck
1932-5-6
1476
San Mateo
Above Millbrae Highlands
Comment
CAS-BOT-BC273738
Koeleria pyramidata
Ned Cahill
1974-4-30
226
San Mateo
Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City
Comment
SEINET12317274
Lachnagrostis filiformis
H. E. Wieser
1932-1
s.n.
San Mateo
Black Mtn road, Hillsborough Hills, near Burlingame
Comment
CAS-BOT-BC340469
Lactuca saligna
Walter Knight; Irja Knight
1963-10-7
328
San Mateo
San Bruno Mountain. Cow Trough Ravine
Comment
UCD133509
Lactuca virosa
John Thomas Howell
1954-9-8
30108
San Mateo
Skyline Blvd. at San Andreas Lake, 2 miles west of San Bruno.
Comment
CAS-BOT-BC341626
Lagophylla ramosissima
J. McMurphy
1909-6-13
s.n.
San Mateo
San Bruno Hills
Comment
CAS-BOT-BC341634
Lagophylla ramosissima
L. R. Abrams
1920-6-1
7493
San Mateo
Santa Cruz Mountain Peninsula. Back of Redwood City
Comment
JROH960
Lagophylla ramosissima
John H. Thomas
1967-6-1
12968
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA107476
Lagophylla ramosissima
L. S. Rose
1955-9-19
55176
San Mateo
Skyline Boulevard, 7 miles west of Saratoga.
686
Comment
UC570744
Lamium amplexicaule
Herbert L. Mason
1927-4-24
3703
San Mateo
mouth of San Gregorio Creek
Comment
JROH2782
Lamium purpureum
Toni Corelli
2010-4-28
358
San Mateo
Jasper Ridge Biological Preserve, Stanford University; edge of brick pathway from visitors parking lot to field station
120
Comment
SD146012
Lapsana communis
G. K. Helmkamp, E. A. Helmkamp
1999-6-28
4977 A
San Mateo
Pescadero Creek Watershed; Pescadero Road just north of Loma Mar.
106
Comment
CAS-BOT-BC337895
Lasthenia
Daniel Cohen
1953-5-9
70
San Mateo
At Pescadero
Comment
POM55156
Lasthenia californica
E. B. Copeland
1903-6-5
3338
San Mateo
Montara Point.
Comment
CAS-BOT-BC339046
Lasthenia californica
Andree M. Desrochers
1989-4-17
447
San Mateo
Near Palo Alto. Jasper Ridge, Biological Preserve of Stanford University
Comment
CAS-BOT-BC339078
Lasthenia californica
H. A. Dutton
1910-3-25
s.n.
San Mateo
Santa Cruz Peninsula. Woodside
Comment
CAS-BOT-BC339080
Lasthenia californica
W. R. Dudley
1894-4-13
s.n.
San Mateo
Santa Cruz Mountain Peninsula. Near top of Black Mountain
Comment
CAS-BOT-BC339089
Lasthenia californica
James McMurphy
1907-5-19
s.n.
San Mateo
Near Lower Pond, Coal Mine Ridge
Comment
CAS-BOT-BC339097
Lasthenia californica
J. H. Thomas
1949-4-1
215
San Mateo
Hills west of Redwood City
Comment
JEPS9815
Lasthenia californica subsp. californica
R. F. Hoover
1939-4-21
4055
San Mateo
2 mi s Colma
Comment
JEPS98730
Lasthenia californica subsp. californica
Raymund Chan
1998-5-9
98031
San Mateo
Mori Point Pacifica
Comment
SD38969
Lasthenia glabrata
Delzie Demaree
1932-4-30
9083
San Mateo
Alkali field near Moss Landing.
Comment Read comments Feb 22 2015
JEPS24276
Lasthenia glabrata subsp. glabrata
J. H. Thomas
1954-4-2
3793
San Mateo
1.5 mi e of center Redwood City
Comment
CAS-BOT-BC355542
Lasthenia glabrata var. glabrata
John H. Thomas
1954-4-2
3793
San Mateo
1.5 miles east of center of Redwood City
0
Comment
CAS-BOT-BC355543
Lasthenia glabrata var. glabrata
David D. Keck
1932-4-29
1452
San Mateo
Redwood City
Comment
POM361530
Lasthenia gracilis
D. D. Keck
1932-3-24
1402
San Mateo
Redwood City, at border of San Francisco Bay.
Comment
CAS-BOT-BC370795
Lasthenia platycarpha
David D. Keck
1932-3-24
1402
San Mateo
Redwood City. At border of San Francisco Bay.
Comment
CAS-BOT-BC204916
Lathyrus
Elizabeth McClintock
1972-5-10
s.n.
San Mateo
San Bruno Mountain. Just belong Parking Lot at the summit
Comment
POM194716
Lathyrus littoralis
H. M. Hall
1924-6-17
11957
San Mateo
Salada
Comment
UC201111
Lathyrus littoralis
Katharine Brandegee
1918-7-4
San Mateo
Salida Beach
Comment
RSA10272
Lathyrus littoralis
H. A. Barker
1927-5-14
672
San Mateo
North of Half Moon Bay.
Comment
UCD77799
Lathyrus torreyi
Robert E. Preston
2001-5-30
1536
San Mateo
Ca. 9 mi nnw of Boulder Creek, T8S R3W sw 1/4 of se 1/4 Section 10
304
Comment
SJSU1011
Lathyrus vestitus
J. E. Hagerty
1950-5-6
San Mateo
Corte Madera Cr 0.5 mi above Strawberry Bend
Comment
POM87741
Lathyrus vestitus subsp. bolanderi
L. R. Abrams
1902-4-13
2342
San Mateo
Crystal Springs Lake.
Comment
SEINET11062227
Lathyrus vestitus subsp. bolanderi
A. A. Heller
1907-5-28
8583
San Mateo
Back of San Mateo on the Half Moon Bay road
Comment
RSA153481
Lathyrus vestitus subsp. vestitus
John H. Thomas
1961-5-14
9362
San Mateo
Vicinity of Pilarcitos Stone Dam on Pilarcitos Creek. San Francisco Watershed Reserve.
152
Comment
JROH2035
Lathyrus vestitus var. vestitus
John Hunter Thomas
1983-4-14
21404
San Mateo
Jasper Ridge Biological Preserve, Stanford University; below dam
Comment
UC85315
Lathyrus vestitus var. vestitus
C. F. Baker
1902-1-15
240
San Mateo
w side Kings Mountain
Comment
UCR252690
Lavatera arborea
A. C. Sanders
2014-8-3
41237
San Mateo
San Francisco Bay, South San Francisco, San Francisco Bay Trail in vicinity of S Airport Drive, Utah Ave., and Haskins Way, between Hwy 101 and San Francisco Bay
6
Comment
UCR122978
Lavatera cretica
George K. Helmkamp, E. A. Helmkamp
2001-6-2
6799
San Mateo
Central Coast, Purissima Creek Rd., 0.9 mi from Calif. Hwy 1(junction about 4 mi south of Half Moon Bay)
91
Comment
RSA434911
Lavatera cretica
J. Doty
1969-3-24
580
San Mateo
North side of Embarcadero Rd, just west of western boundary of Bysbee Marshlands Wildlife Preserve; Menlo Park.
2
Comment
CAS-BOT-BC323153
Layia chrysanthemoides
David D. Keck
1932-5-6
1487
San Mateo
Near Skyline Boulevard, west of Millbrae Highlands.
Comment
CAS-BOT-BC323152
Layia chrysanthemoides
David D. Keck
1932-5-6
1487
San Mateo
Near Skyline Boulevard, west of Millbrae Highlands.
Comment
CAS-BOT-BC323178
Layia chrysanthemoides
Elizabeth McClintock; Paul Reeberg
1987-5-31
s.n.
San Mateo
San Bruno Mountains.
Comment
CAS-BOT-BC321068
Layia gaillardioides
A. D. E. Elmer
1903-6-1
4261
San Mateo
Crystal Springs Lake
Comment
CAS-BOT-BC321090
Layia gaillardioides
James I. McMurphy
1909-5-26
s.n.
San Mateo
Above La Honda
Comment
CAS-BOT-BC321099
Layia gaillardioides
David D. Keck
1932-5-6
1483
San Mateo
Hills W of Millbrae Highlands, just E of Skyline Blvd..
Comment
CAS-BOT-BC327451
Layia hieracioides
David D. Keck
1932-6-1
1796
San Mateo
Above Searsville Lake, on La Honda road, E slope of Santa Cruz Mountains
Comment
CAS-BOT-BC327460
Layia hieracioides
Fred Hemphill
1973-4-15
689
San Mateo
San Carlos. Chaparral area N of Malabar Rd and Melendy Dr.
207
Comment
CAS-BOT-BC327469
Layia hieracioides
John H. Thomas
1953-5-2
3085
San Mateo
Sunset Beach State Park, near USG&GS Markers: Park 1931 and Park 2-1931.
15
Comment
CAS-BOT-BC327477
Layia hieracioides
Walter Knight; Irja Knight
1963-7-14
s.n.
San Mateo
San Bruno Mountain; base of Quarry 2.
Comment
RSA152270
Layia hieracioides
John H. Thomas
1961-5-7
9307
San Mateo
San Bruno Mountain, in northern part of county.
305
Comment
CAS-BOT-BC327455
Layia hieracioides
David D. Keck
1933-5-11
2306
San Mateo
Skyline Boulevard, east of Salada, northern San Mateo County.
Comment
CAS-BOT-BC327486
Layia hieracioides
George Oberlander
1949-9-25
368
San Mateo
San Francisco Watershed Reserve. Sawyer Ridge.
Comment
RSA455862
Layia hieracioides
Glenn A. Gorelick
1967-4-14
s.n.
San Mateo
San Bruno Mts. overlooking Daly City near San Francisco.
Comment
CAS-BOT-BC382085
Layia platyglossa
Ned Cahill
1975-1-8
392
San Mateo
Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City
Comment
CAS-BOT-BC382094
Layia platyglossa
John H. Thomas
1958-5-13
7167
San Mateo
About 3 miles SW of San Mateo along Skyline Blvd., 0.3 mi S of its intersection with Black Mt. Road
304
Comment
JROH991
Layia platyglossa
John H. Thomas
1955-5-6
4085
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
POM284976
Layia platyglossa subsp. campestris
Arthur L. Cohen
1935-4-21
624
San Mateo
Jasper Ridge; Mt.Range: Coast; Watershed: Searsville.
183
Comment
POM53185
Layia platyglossa subsp. platyglossa
Michener, F. T. Bioletti
1892-05
s.n.
San Mateo
Cemeteries.
Comment
CAS-BOT-BC266606
Legenere limosa
W. R. Dudley
1906-5-22
s.n.
San Mateo
Santa Cruz Mountain Peninsula. Ponds, Coal Mine Ridge
Comment
JROH5935
Lemna
Ann Lambrecht
2009-7-1
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Bear Creek crossing at Preserve boundary fence along Sand Hill Road.
65
Comment
CAS-BOT-BC534546
Lemna gibba
A. D. E. Elmer
1903-7-1
4765
San Mateo
San Pedro
Comment
CAS-BOT-BC221530
Lepechinia calycina
David D. Keck
1932-5-25
1779
San Mateo
Hills two miles west of Belmont
Comment
CAS-BOT-BC221539
Lepechinia calycina
Alice Eastwood
1912-6-10
338
San Mateo
Crystal Springs
Comment
CAS-BOT-BC221540
Lepechinia calycina
Fred Hemphill
1973-4-15
717
San Mateo
San Carlos. North of Malabar Rd. and Melendy Dr.
207
Comment
LA64432
Lepechinia calycina
Lewis S. Rose;
1933-6-9
33225
San Mateo
Belmont
Comment
UC25883
Lepechinia calycina
Alice Eastwood
Apr 1896
San Mateo
Crystal Springs
Comment
CAS-BOT-BC89137
Lepidium didymum
Malcom A. Nobs; Stanley Galen [S. Galen] Smith
1949-8-26
1594
San Mateo
Marshes at the south of Pescadero Creek.
Comment
CAS-BOT-BC89216
Lepidium draba
Sister Anna
1950-4-1
s.n.
San Mateo
Belmont Academy.
Comment
JROH1550
Lepidium nitidum
John Hunter Thomas
1982-1-3
20793
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC12782
Lepidium perfoliatum
David D. Keck
1932-3-24
1400
San Mateo
Redwood City. At border of San Francisco Bay.
Comment
CAS-BOT-BC12947
Lepidium strictum
R. E. Frenkel
1964-3-29
411
San Mateo
Parking area in west Menlo Park.
91
Comment
JROH5273
Leptochloa fusca subsp. fascicularis
Ann Lambrecht
2006-8-23
33
San Mateo
Jasper Ridge Biological Preserve, Stanford University; dry streambed of San Francisquito Creek
71
Comment
POM282346
Leptosiphon ambiguus
Lyman Benson
1931-3-15
2646
San Mateo
Emerald Lake, Redwood City
Comment
JROH5672
Leptosiphon androsaceus
John Rawlings
2014-4-10
1274
San Mateo
Jasper Ridge Biological Preserve, Stanford University; a few feet uphill from trail 5 in serpentine prairie
124
Comment
RSA10321
Leptosiphon androsaceus
H. A. Barker
1926-4-25
547
San Mateo
Kings Mt.
Comment
JROH5663
Leptosiphon androsaceus
Herb Dengler
1970-4-15
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University; East serpentine
Comment
UC176059
Leptosiphon croceus
Miss Kate Cole
May 1914
San Mateo
Moss Beach
Comment Read comments Feb 8 2016
CAS-BOT-BC226730
Leptosiphon latisectus
W. R. Dudley
1900-4-4
s.n.
San Mateo
Hills west of San Bruno Station
Comment
UCSB12382
Leptosiphon liniflorus
Dearing, Hugh; Dearing, Margaret
1933-5-14
San Mateo
Skyline Drive, so. of San Francisco
Comment
RSA107079
Leptosiphon liniflorus
L. S. Rose
1956-5-7
56068
San Mateo
Skyline Blvd west of San Mateo.
183
Comment
UC964718
Leptosiphon parviflorus
Herbert L. Mason
1935-5-21
8315
San Mateo
Pebble Beach Pescadero
Comment
JROH3187
Leptosiphon parviflorus
Daniel Cohen
1953-4-11
26
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near top of Jasper Ridge
Comment
UC106678
Leptosiphon rosaceus
Katharine Brandegee
1905-6-19
San Mateo
Moss Beach Halfmoon Bay
Comment
CAS-BOT-BC324061
Lessingia arachnoidea
George Oberlander
1949-8-20
366
San Mateo
Near San Andreas Lake
Comment
CAS-BOT-BC324065
Lessingia arachnoidea
L. S. Rose
1941-9-6
41434
San Mateo
San Mateo Canyon
90
Comment
POM197775
Lessingia arachnoidea
John T. Howell
1926-10-9
2220
San Mateo
Between Lake San Andreas and Crystal Springs Lake
Comment
UC1280011
Lessingia arachnoidea
Peter H. Raven
1957-9-1
11301
San Mateo
along Skyline Boulevard at Woodside Road
Comment
CAS-BOT-BC324179
Lessingia hololeuca
Ned Cahill
1974-10-8
378
San Mateo
near the intersection of Canada and Edgewood roads, about 3 miles westward from Redwood City.
Comment
UC87985
Lessingia hololeuca
C. F. Baker
1902-10-20
1834
San Mateo
Searsville; ; Searsville, San Mateo Co.
Comment
SEINET10617599
Lessingia hololeuca var. arachnoidea
Charles F. Baker
1902-9-2
Baker 1548
San Mateo
Crystal Springs Lake. Large colonies along roadsides.
Comment
RSA176749
Lessingia tenuis
John H. Thomas
1963-5-15
10091
San Mateo
Jasper Ridge Biological Experimental Area. 5 miles SW of Palo Alto
Comment
JROH5839
Leucanthemum maximum
Ann Lambrecht, Alice Cummings
2011-8-2
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University. In now-dry bed of San Francisquito Creek below Dennis Martin marker
Comment
JROH1038
Leucanthemum vulgare
John Rawlings
2012-6-19
1135
San Mateo
Jasper Ridge Biological Preserve, Stanford University. South bank of dry stream bed of Bear Creek at Serpentine.
84
Comment
UCD163782
Leucanthemum vulgare
Peter Rubtzoff
1988-5-12
9922
San Mateo
San Bruno Mountains, 'Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road Junction, near old Guadalupe Road between Bog Trail and Saddle Trail junctions.
Comment
UCD61319
Leymus californicus
G. L. Stebbins Jr.
1941-4-26
3089
San Mateo
1 mile Northeast of La Honda, along San Gregorio Creek.
Comment
CAS-BOT-BC272276
Leymus mollis
J. H. Thomas
1963-5-11
10076
San Mateo
Pescadero Beach
Comment
CAS-BOT-BC272186
Leymus triticoides
Paul Reeberg
1988-10-31
s.n.
San Mateo
At mouth of ravine west of quarry, San Bruno Mountains
Comment
JROH2985
Ligustrum lucidum
John Rawlings, Carol Zabel
2007-2-7
0908
San Mateo
Jasper Ridge Biological Preserve, Stanford University. North side of caretaker residence
107
Comment
CAS-BOT-BC130792
Lilium pardalinum
H. L. Mason
1920-6-25
s.n.
San Mateo
Pescadero Creek
Comment
CAS-BOT-BC130793
Lilium pardalinum
W. R. Dudley
1895-9-15
s.n.
San Mateo
Near Lumber Camp on El Corte de Madera Creek
Comment
JROH4689
Lilium pardalinum subsp. pardalinum
John Hunter Thomas
1989-6-17
24776
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek
Comment
JEPS19572
Limnanthes douglasii
Adele Lewis Grant
1917-5-6
943
San Mateo
hills near Pescadero
121
Comment
UC1191669
Limonium californicum
Malcolm A. Nobs and S. Galen Smith
1949-8-27
1621
San Mateo
salt marshes e Redwood City
Comment
SEINET5556991
Linanthus androsaceus
H. S. Gentry
1931-1
91
San Mateo
Collected about 1 mile SE of Holy Cross Cemetery.
Comment
JEPS112713
Linanthus parviflorus
Dean W. Taylor
1994-5-10
14270
San Mateo
Edgewood Park; ca. 300 meters SE of junction of Edgewood Road and Canada Road, ca. 200 m W of trail parallel to and on west side of Highway 280
137
Comment
POM138877
Linum angustifolium
Copeland
1903-6-9
3307
San Mateo
Montara Point.
Comment
SD39367
Linum californicum
McCallum
1933-5-24
3707
San Mateo
Fields on Stanford Campus.
Comment
SEINET5629646
Linum congestum
Unknown
1907-1
8572
San Mateo
Above Crystal Springs
Comment
CAS-BOT-BC36070
Lithocarpus densiflorus var. densiflorus
W. R. Dudley
1893-12-3
s.n.
San Mateo
Bear Gulch Road
Comment
CAS-BOT-BC36066
Lithocarpus densiflorus var. densiflorus
W. R. Dudley
1905-9-24
s.n.
San Mateo
[Cup] Gulch, upper part of Alpine grade, Black Mountain
Comment
CAS-BOT-BC430767
Lithophragma affine
Volney Rattan
1883-4-1
s.n.
San Mateo
Milbrae
Comment
CAS-BOT-BC430770
Lithophragma affine
W. R. Dudley
1900-3-18
s.n.
San Mateo
Jersey Farm near head of San Bruno Creek
Comment
UC858160
Lithophragma heterophyllum
Lewis S. Rose
1939-4-12
39062
San Mateo
Crystal Springs Lake
152
Comment
JROH3900
Lithophragma heterophyllum
Brenda Butner and Toni Corelli
1990-3-30
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University; Trail 3
Comment
CAS-BOT-BC342468
Logfia gallica
J. H. Thomas
1961-5-14
9388
San Mateo
Southern part of San Francisco Watershed Reserve near Roth Estate
152
Comment
UCD66213
Lolium multiflorum
Beecher Crampton
1962-6-11
6508
San Mateo
Sharp Park, suburb of Pacifica, Mori's Point Road.
Comment
UCD66465
Lolium perenne
Beecher Crampton
1962-6-11
6496
San Mateo
North city limits of Pacifica, State Hwy. 1 just southwest of its junction with Skyline Blvd.
Comment
JROH260
Lomatium dasycarpum subsp. dasycarpum
John H. Thomas
1967-6-1
12969
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UC306544
Lomatium dasycarpum subsp. dasycarpum
A. D. E. Elmer
April, 1903
4818
San Mateo
Crystal Springs Lake
Comment
JROH279
Lomatium utriculatum
John H. Thomas
1972-5-5
16081
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UC1143019
Lomatium utriculatum
H. S. Yates
1935-5-8
5210
San Mateo
2 mi. n. Langley Hill; Santa Cruz Quad.
Comment
UC306534
Lomatium utriculatum
A. D. E. Elmer
April, 1903
4926
San Mateo
Crystal Springs Lake
Comment
CAS-BOT-BC240586
Lonicera hispidula
A. D. E. Elmer
1903-6-1
4255
San Mateo
Crystal Springs Lake
Comment
CAS-BOT-BC240598
Lonicera hispidula
Carl B. Wolf
1930-11-5
1805
San Mateo
2 miles west of La Honda, Santa Cruz Mtns.
304
Comment
CAS-BOT-BC240606
Lonicera hispidula
Carl B. Wolf
1930-11-5
1805
San Mateo
2 miles west of La Honda, Santa Cruz Mtns.
304
Comment
JROH1655
Lonicera hispidula
John H. Thomas
1975-6-5
17934
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near shack
Comment
POM46687
Lonicera hispidula var. vacillans
A. D. E. Elmer
1903-06
4255
San Mateo
Crystal Springs Lake.
Comment
CAS-BOT-BC243962
Lonicera involucrata var. ledebourii
John H. Thomas
1964-6-19
10429
San Mateo
0.9 miles south of Tunitas Creek near Coast Highway
60
Comment
CAS-BOT-BC243963
Lonicera involucrata var. ledebourii
D. E. Breedlove
1974-5-13
36219
San Mateo
San Pedro Valley Park, Pacific
152
Comment
POM250690
Lonicera involucrata var. ledebourii
D. D. Keck
1938-5-30
4726
San Mateo
San Gregorio.
30
Comment
UC729847
Lonicera involucrata var. ledebourii
Carl B. Wolf
1929-5-25
3733
San Mateo
2 mi from Pescadero; Alpine Creek
Comment
CAS-BOT-BC198555
Lotus
Dorothy Sutliffe
1934-10-12
s.n.
San Mateo
On Ocean Shore Higheay 4 miles south of San Gregorio
Comment
UCR123137
Lotus corniculatus
George K. Helmkamp, E. A. Helmkamp
2001-6-2
6798
San Mateo
Central Coast, Purissima Creek Rd., 0.9 mi from Calif. Hwy 1(junction about 4 mi south of Half Moon Bay)
91
Comment
SEINET2062208
Lotus formosissimus
C. W. Sharsmith
1947-4-13
6758
San Mateo
Near Pescadero Beach, vicinityof Pescadero Point.
50
Comment
JEPS101841
Lotus junceus var. biolettii
Dean W. Taylor
2000-4-25
17439
San Mateo
along dirt road 1 mi W of North Peak, Montara Mountain
411
Comment Read comments Oct 18 2006
UC69628
Lotus micranthus
J. Burtt Davy
1895-4-20
1045
San Mateo
Lake Pilarcitos
Comment
SEINET12154207
Lotus micranthus
Unknown
1932-1
9017
San Mateo
Gov. Rolph Estate
Comment
POM276599
Lotus stipularis
Lyman Benson
1931-5-10
2801
San Mateo
Above Woodside; Kings Mountain.
457
Comment
RSA788951
Lotus tenuis
Peter Rubtzoff
1976-6-13
8631
San Mateo
San Bruno Mountains. Saddle area on N side of Guadalupe Canyon Parkway, west of Radio Road junction, margin of marshy area NW of Fog Forest.
Comment
UCD164699
Lotus tenuis
Peter Rubtzoff
1976-6-13
8631
San Mateo
San Bruno Mountains. 'Saddle' area on N side of Guadalupe Canyon Parkway west of Radio Road junction, margin of marshy area NW of Fog Forest.
Comment
RSA120410
Lotus wrangelianus
Ynez Henderson
1950-4-8
s.n.
San Mateo
San Francisquito Creek.
Comment
RSA159410
Lotus wrangelianus
John H. Thomas
1961-5-14
9384
San Mateo
Just north of dam on San Mateo Creek.
122
Comment
UC15757
Lupinus affinis
Alice Eastwood
April 1896
San Mateo
near Crystal Springs; near Crystal Springs
Comment
CAS-BOT-BC195796
Lupinus albifrons var. albifrons
Charles Piper Smith
1948-6-21
48467
San Mateo
Highway 5 - C.S. Dam-Bridge, 0.5 miles south
Comment
RSA134045
Lupinus albifrons var. albifrons
W. R. Dudley
1894-4-21
s.n.
San Mateo
3 miles above town, ravine of San Mateo Creek.
Comment
CAS-BOT-BC196121
Lupinus albifrons var. collinus
Charles Piper Smith
1908-5-31
1437
San Mateo
S. San Francisco
Comment
RSA134041
Lupinus albifrons var. collinus
Roxana S. Ferris
1921-4-7
2131
San Mateo
San Bruno mountain near San Francisco
213
Comment
UC201916
Lupinus albifrons var. collinus
A. D. E. Elmer
May, 1903
464 j
San Mateo
San Bruno Hills
Comment
CAS-BOT-BC196434
Lupinus arboreus
W. R. Dudley
1893-5-17
s.n.
San Mateo
Above pass between Spring Valley Reservoir and Millbrae
Comment
SBBG25081
Lupinus arboreus
D. Myrick
1966-6-11
1447
San Mateo
near Pescadero along Hwy 1 S of San Francisco
Comment
UC201982
Lupinus arboreus
A. D. E. Elmer
May, 1903
4414
San Mateo
Colma
Comment
UCR122975
Lupinus arboreus
George K. Helmkamp, E. A. Helmkamp
2001-6-2
6797
San Mateo
Central Coast, Purissima Creek Rd., 0.9 mi from Calif. Hwy 1(junction about 4 mi south of Half Moon Bay)
91
Comment
UCSB7879
Lupinus arboreus
Myrick, Donald
1966-6-11
San Mateo
Near Pescadero; along Highway #1, south of San Francisco
Comment
SEINET10488472
Lupinus arboreus
Marcus E. Jones
1881-6-24
Jones s.n.
San Mateo
Comment
SEINET10488484
Lupinus arboreus
Walter Knight, Irja Knight
1964-5-4
Knight s.n.
San Mateo
San bruno mountains. Nell pubescent from claw to tip. Colma canyon
Comment
RSA705042
Lupinus arboreus var. arboreus
E. A. Purer
1933-7-27
5371
San Mateo
Two miles south of Pigeon Point
Comment
JEPS91323
Lupinus arboreus var. eximius
Dean W. Taylor
1992-3-19
12337
San Mateo
in saddle between San Pedro Mountain and North Peak, near BM 924 Montara Mountain; ; Montara Mountain, in saddle between San Pedro Mountain and North Peak, near BM 924
274
Comment
RSA0069562
Lupinus arboreus var. eximius
Daisie Huang
2006-8-6
06080602
San Mateo
Inside San Francisco Water Authority land.
345
Comment
JROH5695
Lupinus bicolor
John Rawlings
2015-3-31
1415
San Mateo
Jasper Ridge Biological Preserve, Stanford University. In old quarry off of Trail 12
77
Comment
SEINET10484980
Lupinus bicolor var. umbellatus
Walter Knight, Irja Knight
1965-3-28
Knight 975
San Mateo
From flower garden adjacent to april brook. In grassy area.
Comment
SEINET11071791
Lupinus collinus
A. A. Heller
1907-4-25
8462
San Mateo
San Bruno Hills
Comment
RSA413555
Lupinus densiflorus var. densiflorus
E. A. Purer
1933-8-25
5512
San Mateo
Skyline Drive.
Comment
RSA0036527
Lupinus formosus
Daisie Huang
2006-8-6
06080603
San Mateo
Inside San Francisco Water Authority land.
288
Comment
SEINET12154553
Lupinus formosus
Unknown
1933-1
10508
San Mateo
nr Belmont
Comment
POM10876
Lupinus formosus var. formosus
C. F. Baker
1903-4-1
1708
San Mateo
Black Mountain.
Comment
RSA15310
Lupinus latifolius subsp. latifolius
Carl B. Wolf
1927-4-3
280
San Mateo
1 1/2 miles above east base of La Honda grade, Santa Cruz Mountains.
Comment
SD37896
Lupinus latifolius var. latifolius
Delzie Demaree
1932-4-9
8979
San Mateo
Near entrance to [Gov.?] Ralph Estate
Comment
SBBG66998
Lupinus nanus
L. R. Abrams
1914-4-20
5128
San Mateo
confluence of Los Troncos and San Francisquito crks
Comment
SEINET7076097
Lupinus nanus
A. G. Vestal
1955-5-31
s.n.
San Mateo
Near Pebble Beach off Route 1. (NAD 27; 37.2369? deg. North Latitude, 122.4153? deg. West Longitude, UTM Zone 10, 551863mE, 4121109mN). [GPS Coordinate: WGS84/NAD83].
Comment
JROH5732
Lupinus nanus
John H. Thomas
1976-4-30
18100
San Mateo
Jasper Ridge Biological Preserve, Stanford University; below dam
Comment
RSA159418
Lupinus nanus subsp. nanus
John H. Thomas
1961-5-7
9246
San Mateo
Colma, near intersection of El Camino Real and F Street
46
Comment
RSA134069
Lupinus variicolor
W. R. Dudley
1900-3-17
s.n.
San Mateo
Grade south side Montara Mts.
Comment
SEINET10489089
Lupinus variicolor
Elizabeth M. McClintock
1963-6-9
McClintock 134
San Mateo
San bruno mtn. Exposed slopes below top of mtn.
Comment
SEINET10489102
Lupinus variicolor
Smith
1948-4-20
Smith 48110
San Mateo
Hwy 1. San pedro point, n grade.
Comment
SEINET5559201
Lupinus variicolor
H. S. Gentry
1931-1
86
San Mateo
Collected about 1 mile SE of Holy Cross Cemetery.
Comment
CAS-BOT-BC441262
Luzula macrantha
W. R. Dudley
1908-3-8
s.n.
San Mateo
Santa Cruz Mountain Peninsula: Coal Mine Ridge near Mud Lakes
335
Comment
CAS-BOT-BC441263
Luzula macrantha
W. R. Dudley
1900-3-16
s.n.
San Mateo
Santa Cruz Peninsula: Trail north of Tripp's Store, Woodside
Comment
JEPS101278
Luzula subsessilis
Dean W. Taylor
1988-3-16
9405
San Mateo
San Bruno Mountain, summit of mountain, along fire road ca. 120 m east from summit parking lot
371
Comment
CAS-BOT-BC441364
Luzula subsessilis
Elizabeth McClintock; Arthur Menzies
1963-2-16
s.n.
San Mateo
San Bruno Mountain: Upper slopes of mountain, below radio station
Comment
JROH3362
Lysimachia arvensis
H. A. Dutton
1900-2-27
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA0015076
Lythrum californicum
L. R. Abrams
1901-09
2219
San Mateo
Menlo Park, borders of Bay.
Comment
JROH2945
Lythrum hyssopifolia
John H. Thomas
1974-10-26
17630
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA0011332
Lythrum hyssopifolia
W. R. Dudley
1906-6-12
s.n.
San Mateo
W of Tripp s store, Woodside; Santa Cruz Mt Peninsula.
Comment
SEINET10452840
Lythrum hyssopifolia
Mary Susan Taylor
1978-8-30
Taylor 1874
San Mateo
Comment
CAS-BOT-BC342588
Madia
Paul Reeberg
1989-5-30
s.n.
San Mateo
San Bruno Mountains. Owl Canyon
Comment
CAS-BOT-BC539288
Madia elegans
John Rawlings; Ken Hickman
2016-7-21
1904
San Mateo
Caltrans right-of-way upslope from Hwy 92 W onramp to Hwy 280 N; near a concrete drainage ditch a few yards downslope from San Francisco Watershed fenceline
122
Comment
UC204186
Madia elegans
A. D. E. Elmer
May 1903
4662
San Mateo
Alpine School House
Comment
CAS-BOT-BC343917
Madia elegans
H. M. Hall
1930-8-17
12882
San Mateo
East side of Crystal Spring Lake, on grade going to San Mateo
Comment
JROH1044
Madia exigua
John H. Thomas
1969-5-28
15090
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH1048
Madia exigua
John H. Thomas
1977-4-29
18570
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH1056
Madia exigua
John Hunter Thomas
1981-5-25
20636
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH6204
Madia exigua
John Rawlings
2014-5-6
1234
San Mateo
Jasper Ridge Biological Preserve, Stanford University; on the top of Trevor's Knoll, about 70 m north of Trail 10.
181
Comment
JROH1077
Madia gracilis
John Hunter Thomas
1980-5-8
19946
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH1084
Madia gracilis
John Hunter Thomas
1985-5-7
23642
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH1088
Madia gracilis
John Hunter Thomas
1987-5-15
24286 A
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near picnic area
Comment
RSA176827
Madia gracilis
John H. Thomas
1961-5-5
9222
San Mateo
Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto; above Searsville Lake
Comment
POM190265
Madia gracilis
D. D. Keck
1932-4-29
1455
San Mateo
Mills Field Airport, Bayshore Highway
Comment
LA83388
Madia sativa
O. H. Kappler;
1947-5-23
San Mateo
Pescadero Beach
Comment
SBBG27925
Madia sativa
C. B. Wolf
1927-6-29
561
San Mateo
coast S of Pescadero at Pebble Beach
Comment
JROH4694
Maianthemum racemosum
James Newman
1952-4-21
15
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH4698
Maianthemum racemosum
John Hunter Thomas
1985-4-22
23544
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC512104
Maianthemum racemosum subsp. amplexicaule
Walter Knight; Irja Knight
1964-5-4
s.n.
San Mateo
Romanzoffia ravine; San Bruno Mountain
Comment
JROH4704
Maianthemum stellatum
John H. Thomas
1969-4-12
14885
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Redwoods below dam
Comment
JROH4719
Maianthemum stellatum
John Hunter Thomas
1990-7-4
24871
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC514161
Maianthemum stellatum
W. R. Dudley
1893-2-19
s. n.
San Mateo
Road from La Honda to Alpine
Comment
CAS-BOT-BC514165
Maianthemum stellatum
Margaret A. Barry
1937-4-21
14
San Mateo
Woods on Coal Mine Ridge
Comment
CAS-BOT-BC203908
Malacothamnus aboriginum
Alice Eastwood; John Thomas Howell
1939-6-30
7435
San Mateo
Los Trancos Creek near Stanford University
Comment
RSA3086
Malacothamnus arcuatus
Carl B. Wolf
1931-8-20
2328
San Mateo
Los Trancos Creek, 2 miles back of Stanford University, near Schenkel s Camp.
91
Comment
UC18767
Malacothamnus davidsonii
Alice Eastwood
1896-5-1
San Mateo
Crystal Springs
Comment
HSC16067
Malacothamnus fasciculatus
J. Wendell Howe
1930-6-5
186
San Mateo
Coast range W Palo Alto
Comment
CAS-BOT-BC204085
Malacothamnus hallii
Alice Eastwood
1912-6-10
346
San Mateo
Crystal Springs
Comment
SJSU2303
Malva arborea
C. W. Sharsmith
1950-4-16
6632
San Mateo
near Pescadero Point near Pescadero
Comment
CAS-BOT-BC206684
Malva assurgentiflora
Ira L. Wiggins
1975-5-26
22161
San Mateo
Upper slope of bank of San Francisquito Creek, ca 150 m upstream from Chaucer/Pope Street Bridge, Menlo Park
Comment
JROH2965
Malva nicaeensis
John H. Thomas
1970-7-5
15672
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
SD39324
Malvella leprosa
Edith Purer
1933-8-13
5424
San Mateo
Field, Santa Clara Valley near Belmont
Comment
CHSC28453
Marah fabacea
Robert A. Schlising
1963-3-15
2449
San Mateo
Along Skyline Blvd., near junction with Half Moon Bay Road.
Comment
HSC7023
Marah fabacea
P. A. Murphy
1965-4-16
10
San Mateo
About 5 mi. from Half Moon Bay on the Higgin's Canyon Rd.
Comment
CDA5694
Marrubium vulgare
C. M. Sill
1961-7-1
San Mateo
Laurel School, Menlo Park.
0
Comment
CAS-BOT-BC67841
Marsilea vestita
George Oberlander
1951-1-1
s.n.
San Mateo
San Francisco Watershed Reserve
Comment
JROH5901
Matricaria discoidea
M. Ray
1982-4-18
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Close to Searsville Lab
Comment
UC50156
Meconella californica
J. Burtt Davy
1895-4-20
1039
San Mateo
San Mateo Creek
Comment
CAS-BOT-BC422684
Meconella californica
Miss E. Cannon
1893-3-1
s.n.
San Mateo
South San Francisco
Comment
JROH2175
Medicago polymorpha
John Hunter Thomas
1988-6-2
24499
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH5308
Melica imperfecta
John Hunter Thomas
1985-4-22
23551
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Below Rattlesnake Rocks
Comment
CAS-BOT-BC264188
Melica subulata
W. R. Dudley
1898-4-24
s.n.
San Mateo
El Corte Madera, Santa Cruz Mountain Peninsula
Comment
RSA159421
Melica torreyana
John H. Thomas
1961-5-14
9374 A
San Mateo
Vicinity of Pilarcitos Stone Dam on Pilarcitos Creek. San Francisco Watershed Reserve.
152
Comment
UCD88813
Melica torreyana
A. A. Beetle
1942-6-11
3600
San Mateo
Rt. 5, 15 miles south of San Bruno.
Comment
UC2049893
Melilotus indicus
H. W. Johansen
1955-4-23
80
San Mateo
Crystal Springs Road, 2 miles W of San Mateo
Comment
JROH2192
Melilotus indicus
John Hunter Thomas
1982-5-18
20933
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH2807
Mentha pulegium
John H. Thomas
1964-11-29
10533
San Mateo
Jasper Ridge Biological Preserve, Stanford University; W end of Searsville Dam
Comment
JROH2821
Mentha pulegium
John Hunter Thomas
1982-11-6
21209
San Mateo
Jasper Ridge Biological Preserve, Stanford University; edge of Searsville Lake near Searsville Lab
Comment
UCD144582
Mercurialis annua
Greg Escoto
2014-2-21
s.n.
San Mateo
San Pedro Valley Park, a county park located at 600 Oddstad Blvd., Pacifica. Visitor Center flower beds.
55
Comment
POM177324
Mercurialis annua
L. R. Abrams, I. L. Wiggins, D. Abrams
1930-11-13
I 80
San Mateo
Artichoke field 3 mi. S. of Rockaway Beach (Pedro Valley).
Comment
RSA185806
Mercurialis annua
John H. Thomas
1966-9-13
12391
San Mateo
Pacifica. San Pedro Valley near St. Peter's Catholic Church near Oostad Blvd. and Linda Mar Blvd.
Comment
CAS-BOT-BC438139
Mesembryanthemum nodiflorum
W. R. O.
1973-10-10
1230
San Mateo
Most stations; mobile estate project. Redwood City
Comment
CAS-BOT-BC438140
Mesembryanthemum nodiflorum
William Anderson
1968-7-25
s.n.
San Mateo
At west approach of Dumbarton Bridge on south side of road.
Comment
CAS-BOT-BC348571
Micropus californicus var. californicus
John H. Thomas
1974-4-11
17138 B
San Mateo
Area to the SE of Canada Road and Edgewood Road. NW of Woodside
152
Comment
JEPS40609
Micropus californicus var. californicus
R. F. Hoover
1941-4-23
4909
San Mateo
Redwood City Hills
Comment
JROH1118
Micropus californicus var. californicus
John H. Thomas
1955-5-6
5004
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC348720
Microseris bigelovii
John H. Thomas
1966-4-30
11591
San Mateo
Bluffs at San Gregorio Beach
Comment
SJSU1071
Microseris douglasii
C. W. Sharsmith
1951-4-6
5826
San Mateo
Woodside Hills c. 3 mi W of Woodside
182
Comment
OBI15616
Microseris douglasii
Lewis S. Rose
1966-5-2
66037 A
San Mateo
Emeral Lake, W of Redwood City
91
Comment
JEPS49068
Microseris douglasii subsp. douglasii
Lewis S. Rose
1966-5-2
66037 A
San Mateo
w Redwood City; Emerald Lake
91
Comment
JROH1147
Microseris douglasii subsp. douglasii
John Hunter Thomas
1986-5-6
24014
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA184978
Microseris douglasii subsp. douglasii
L. S. Rose
1966-5-2
66037 -A
San Mateo
Emerald Lake, west of Redwood City.
91
Comment
CAS-BOT-BC349024
Microseris douglasii subsp. douglasii
K. L. Chambers
1952-5-11
404
San Mateo
3.2 mi. s. of junction of Canada Road (from Woodside to Crystal Springs Lake), with Ralston Avenue (Belmont Road)
Comment
CAS-BOT-BC349036
Microseris douglasii subsp. douglasii
Elizabeth McClintock
1978-4-11
s.n.
San Mateo
Gilmore McDowell property, Woodside
Comment
JROH5590
Microseris douglasii subsp. tenella
John Rawlings
2013-4-23
1185
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Road F 50 meters east of Trail 15.
170
Comment
CAS-BOT-BC349191
Microseris elegans
R. E. Frenkel
1964-5-26
507
San Mateo
On Whiting Ridge Fire Tr. Road, SFWD, 0.5 mile west of Spring Valley Ridge Road
304
Comment
JEPS127932
Mimulus aurantiacus
Adam C. Schneider
2013-5-17
184
San Mateo
Crystal Springs Reservoir
Comment
SEINET12269790
Mimulus aurantiacus
Unknown
1932-1
9023
San Mateo
Jasper Ridge
Comment
HSC59830
Mimulus aurantiacus var. aurantiacus
Clark L. Miller
1978-6-15
1
San Mateo
6 mi. S of Half Moon Bay, off Hwy. 1, on Verde Rd.
61
Comment
JROH4077
Mimulus aurantiacus var. aurantiacus
John Hunter Thomas
1980-6-5
19998
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA130970
Mimulus aurantiacus var. aurantiacus
W. R. Dudley
1895-6-14
s.n.
San Mateo
Top of ridge near Searsville Dam.
Comment
RSA218021
Mimulus aurantiacus var. aurantiacus
Phillip Wheeler
1967-5-14
s.n.
San Mateo
East side of mountain, above Harold Ave., Brisbane. Grassy slope above Philip Wheeler's house.
Comment
UCSB11439
Mimulus aurantiacus var. aurantiacus
Olson, Jim
1962-4-17
San Mateo
1 mile east of Halfmoon Bay on road to San Mateo
18
Comment
POM5152
Mimulus cardinalis
A. D. E. Elmer
1903-07
4941
San Mateo
Lake San Andreas.
Comment
UC162414
Mimulus grandis
A. A. Heller
1906-6-8
8376
San Mateo
near Ocean View; San Francisco
Comment
JROH4084
Mimulus guttatus
Robert Robertson
1954-4-23
99
San Mateo
Jasper Ridge Biological Preserve, Stanford University
170
Comment
JROH4088
Mimulus guttatus
Herbert Dengler
1967-5-29
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University; by CMCr -- E. side by trail that crosses creek to go to Tom's (Schultz). This is about 150' from S. corner of Biol. Preserve
Comment
CAS-BOT-BC388831
Minuartia douglasii
Ned Cahill
1974-4-19
148
San Mateo
Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City
Comment
CAS-BOT-BC388828
Minuartia douglasii
W. R. Dudley
1894-4-1
s.n.
San Mateo
Santa Cruz Mountain Peninsula. San Mateo Ravine
Comment
JROH1698
Minuartia douglasii
John H. Thomas
1961-4-4
9044 D
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near Westridge end of ridge
Comment
SJSU12767
Moehringia macrophylla
S. L. Jones
1986-4-6
85
San Mateo
saddle betweem San Pedro Mt & Montara Mt, Pacifica
274
Comment
CAS-BOT-BC214085
Monardella villosa
Josephine D. Randall
1907-6-8
179
San Mateo
Portola Valley, Santa Cruz Peninsula
Comment
CAS-BOT-BC214081
Monardella villosa
Cherie Wetzel
1969-7-8
920
San Mateo
Near Canada College, Redwood City, just off of Farm Hill Blvd.
Comment
UCD125292
Monardella villosa
J. M Tucker
1951-8-6
2219
San Mateo
On northwest-facing hillslope; M. R. Mattei ranch, ca. 1.5 miles northeast of Pescadero.
Comment
SEINET10582381
Monardella villosa subsp. franciscana
A. Graff
1993-7-13
Graff 188
San Mateo
Devil's Slide, in arroyos on inland side of Hwy. 1. Mostly past bloom. Coastal scrub.
Comment
SEINET10582383
Monardella villosa subsp. franciscana
A. Graff
1993-6-14
Graff 4
San Mateo
0.4 miles down Bean Hollow Road from its intersection with Pescadero Road, along right road cut. Windy, exposed, dry, steep, rocky cuts. Locally infrequent, with Artemisia californica, Baccharis pilularis, Mimulus aurantiacus, Eriophyllum stachaedifolium, Anaphalis margaritacea, Dudleya sp., Scrophularia californica, Eriogonum sp., grasses.
Comment
JROH2849
Monardella villosa subsp. villosa
John Hunter Thomas
1983-6-29
22712
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC349587
Monolopia major
W. R. Dudley
1894-4-21
s.n.
San Mateo
Santa Cruz Mountain Peninsula. Ravine of San Mateo Creek
Comment
UCD163600
Morella californica
Peter Rubtzoff
1980-12-11
9634
San Mateo
San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction, East Fork Colma Creek Canyon.
Comment
RSA133650
Myosotis latifolia
John H. Thomas
1954-4-3
3815
San Mateo
La Honda Creek, about 1 mile north of La Honda.
152
Comment
RSA128901
Myosotis latifolia
Roxana S. Ferris
1920-4-26
1960
San Mateo
Pescadero Creek at beginning of the canyon.
244
Comment
JROH3468
Myosurus minimus
John Hunter Thomas
1981-4-5
20265
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Below dam
Comment
CAS-BOT-BC101775
Myrica californica
Carl B. Wolf
1929-5-10
3709
San Mateo
near Lake Lucerne 1 mi. no. of Pigeon Pt.
30
Comment
JROH2695
Myriophyllum aquaticum
John Hunter Thomas
1983-5-31
22318
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UC1101504
Myriophyllum sibiricum
Herbert L. Mason and Verne Grant
1946-8-28
13079
San Mateo
Sag Pond N of San Francisco County Prison.
Comment
UCD87837
Nassella lepida
Beecher Crampton
1962-6-11
6506
San Mateo
Sharp Park, suburb of Pacifica, Mori's Point Road west of State Hwy. 1.
Comment
CAS-BOT-BC260229
Nassella pulchra
W. R. Dudley
1900-3-17
s.n.
San Mateo
Santa Cruz Mountain Peninsula. S side of Montara Mountain
Comment
RSA185012
Nassella pulchra
L. S. Rose
1963-4-27
63000
San Mateo
Skyline Blvd, open hills west of San Mateo.
91
Comment
SBBG32478
Nassella pulchra
L. S. Rose
1963-4-27
63000
San Mateo
Skyline Blvd, W of San Mateo
91
Comment
UCD87481
Nassella pulchra
Beecher Crampton
1962-6-11
6486
San Mateo
5 miles west of Belmont, junction Ralston Ave. and Skyline Blvd.
Comment
CAS-BOT-BC60478
Nasturtium officinale
Walter Knight; Irja Knight
1963-8-6
s.n.
San Mateo
San Bruno Mountain. Crocker Avenue.
Comment
JROH1575
Nasturtium officinale
Carol Zabel
1989-8-11
28
San Mateo
Jasper Ridge Biological Preserve, Stanford University; San Francisquito Creek bank near low-flow crossing at Road C
Comment
UCD78193
Navarretia heterodoxa
Robert E. Preston
2008-6-11
2641 a
San Mateo
Between Lower Crystal Springs Reservoir and Skyline Blvd, ca. 0.5 mi S of jct Skyline Blvd and Golf Course Rd
117
Comment
RSA523345
Navarretia squarrosa
Gordon H. True Jr.
1936-6-14
506
San Mateo
Canyon south of Salada Beach
366
Comment
SEINET3861929
Navarretia squarrosa
Genevieve K. Walden
2009-5-21
140
San Mateo
Pillar Point, north of Vandenberg Radar Base, along trails of public access land.; 0
Comment
UCSC000592
Navarretia squarrosa
N. K. Carlson
1935-6-29
106
San Mateo
1 mile S. of Pescadero Pescadero
91
Comment
UCSC007750
Nemophila humifusa
Becky Hendricks
2012-5-16
s.n.
San Mateo
Ano Nuevo State Park
Comment
POM65288
Nemophila menziesii var. menziesii
C. F. Baker
1903-4-6
1895
San Mateo
San Bruno hills, San Francisco.
Comment
UC606949
Nemophila parviflora
L. Constance
1938-5-16
2241
San Mateo
5 mi sw San Mateo (near Crystal Springs Lake); sw of San Mateo, near Crystal Springs Lake
121
Comment
JROH2742
Nemophila parviflora var. parviflora
H. R. Davis
1920-4-12
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near Zoology Club shack
Comment
JROH4167
Nicotiana acuminata var. multiflora
Herb Dengler
1982-7-26
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University. A single plant next to locked gate to S.F. Cr. crossing above Dennis Martin Mill site.
Comment
CAS-BOT-BC140426
Oemleria cerasiformis
W. R. Dudley
1900-3-18
s.n.
San Mateo
Below San Andreas Dam
Comment
JEPS108618
Oemleria cerasiformis
Roger Raiche
1983-7-18
10167
San Mateo
San Bruno Mountain, head of canyon, Crocker Industrial Park
Comment
JROH3704
Oemleria cerasiformis
John H. Thomas
1958-2-15
6983
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH3708
Oemleria cerasiformis
John H. Thomas
1968-5-17
14184
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Brush slope at arm of Lake
Comment
RSA124761
Oemleria cerasiformis
John H. Thomas
1958-2-15
6983
San Mateo
Jasper Ridge, about 5 miles southwest of Palo Alto.
152
Comment
RSA451813
Oemleria cerasiformis
L. S. Rose
1937-3-20
37004
San Mateo
Moist Hills, Skyline Blvd. W. of Tanforan.
183
Comment
SJSU8083
Oemleria cerasiformis
S. H. Casey
1969-5-18
261
San Mateo
0.25 SE of San Bruno Mt summit
Comment
UC860380
Oemleria cerasiformis
Lewis S. Rose
1941-3-12
40123
San Mateo
w of San Bruno (Skyline Blvd)
152
Comment
JROH291
Oenanthe sarmentosa
John Hunter Thomas
1989-6-13
24771
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
POM132876
Oenanthe sarmentosa
A. D. E. Elmer
1903-07
4690
San Mateo
Alpine School House.
Comment
RSA210940
Oenothera elata subsp. hookeri
E. K. Balls
1969-9-16
12176
San Mateo
Highway 1-13 mi. NW from Santa Cruz County line
6
Comment
UCD106882
Oenothera perennis
T. C. Fuller
1970-5-12
19529
San Mateo
Emily (Mrs. Hillary) Brown prop., 3045 Ralston Ave., Burlingame.
Comment
UC1076287
Orobanche californica subsp. californica
Herbert L. Mason
1927-7-28
3983
San Mateo
Pigeon Point.
Comment
CAS-BOT-BC499691
Orobanche californica subsp. californica
Julia McDonald
1918-7-1
s.n.
San Mateo
Pescadero
Comment
SEINET8466936
Orobanche grayana
Tom Hensel
1973-7-10
267
San Mateo
Pigeon Point Lighthouse, 8.5 mi N of San Mateo-Santa Cruz Co. line
Comment
JROH3088
Orobanche uniflora
John H. Thomas
1968-5-3
14444
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA401985B
Orthocarpus densiflorus
Francis W. Pennell, D. D. Keck
1940-5-15
25425
San Mateo
Route 101, 4 miles west of Burlingame.
152
Comment
RSA51311
Orthocarpus erianthus var. roseus
Peter H. Raven
1950-4-16
1814
San Mateo
Between Geneva Ave, San Francisco Co and San Bruno Mts.
183
Comment
RSA516520
Orthocarpus floribundus
W. L. Jepson
1919-4-19
8231
San Mateo
S San Francisco.
Comment
RSA184977
Orthocarpus lithospermoides
L. S. Rose
1966-5-2
66034
San Mateo
Emerald Lake, west of Redwood City.
91
Comment
SEINET12288880
Orthocarpus lithospermoides
Unknown
1932-1
9105
San Mateo
above Spring Valley Lakes
Comment
RSA176828
Osmorhiza berteroi
John H. Thomas
1961-5-5
9213
San Mateo
Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Along San Francisquito Creek below Searsville Dam.
76
Comment
JROH302
Osmorhiza berteroi
John Hunter Thomas
1992-4-30
25174
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
SEINET920558
Oxalis corniculata
H. S. Gentry
1931-1
101
San Mateo
Collected about 1 mile southeast of Holy Cross Cemetery.
Comment
JROH5646
Oxalis micrantha
John Rawlings
2014-4-22
1238
San Mateo
Jasper Ridge Biological Preserve, Stanford University; at verge of Trail 11 in chaparral
143
Comment
RSA120752
Oxalis oregana
S. S. Tillett, I. Sternback
1956-6-24
524
San Mateo
Middleton property, behind (N.) Portola Camp Store, just outside Portola State Park.
396
Comment
UCR51659
Oxalis pes-caprae
R. Ascanio
1988-4-17
s.n.
San Mateo
E on Gazo Creek Road off Hwy 1, c. 2 mi. north of Ano Nuevo State Reserve
85
Comment
UCSB11440
Oxalis pes-caprae
Olson, Jim
1962-4-17
San Mateo
1 mile east of Halfmoon Bay on Halfmoon Bay to San Mateo Road
15
Comment
CAS-BOT-BC318249
Packera breweri
W. R. Dudley
1893-5-27
s.n.
San Mateo
Near Summit Springs, Kings Mt.
Comment
CAS-BOT-BC318251
Packera breweri
W. R. Dudley
1893-5-3
s.n.
San Mateo
Foothills near Stanford University.
Comment
JROH5340
Panicum miliaceum subsp. miliaceum
Ann Lambrecht
2000-9-11
1
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Corte Madera Creek.
Comment
LA14373
Parapholis incurva
A. Hornay;
1932-5-29
sn
San Mateo
San Bruno
Comment
RSA176768
Parapholis incurva
John H. Thomas
1963-5-20
10138
San Mateo
Ano Nuevo Island, 1/2 mile off shore and about 20 miles NW of Santa Cruz.
Comment
UC1101573
Parapholis incurva
Malcolm A. Nobs and S. Galen Smith
1949-8-26
1604
San Mateo
Hwy 1, 0.6 mi n Pigeon Point
Comment
JROH5870
Parthenocissus quinquefolia
Ann Lambrecht
2011-7-5
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University; at Bear Creek crossing near Preserve boundary fence
Comment
UC1101567
Paspalum distichum
Verne Grant and Herbert L. Mason
1946-8-28
13085
San Mateo
at entrance to San Francisco County Prison
Comment
UCD88918
Paspalum distichum
David Hanson
1975-11-24
s.n.
San Mateo
Half Moon Bay.
Comment
JROH4118
Pedicularis densiflora
John Hunter Thomas
1982-1-3
20794
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JEPS70087
Pedicularis densiflora
L. R. Heckard
1972-4-16
2905
San Mateo
just below East Dam Lower Crystal Springs Reservoir
Comment
JROH4109
Pedicularis densiflora
Charles F. Cleland
1963-3-23
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near picnic area below Searsville Dam near Searsville Creek
Comment
RSA14207
Pedicularis densiflora
Carl B. Wolf
1927-1-24
190
San Mateo
1/2 way up east slope of La Honda Grade, Santa Cruz Mtns.
Comment
SEINET12270441
Pedicularis densiflora
Unknown
1930-1
7320
San Mateo
Jasper Ridge
Comment
UCSB17558
Pedicularis densiflora
Schulte, John
1963-4-14
San Mateo
Top of Jasper Ridge, 3 miles southwest of Stanford Campus, between Santa Clara Valley and main front of Santa Cruz Mountains
152
Comment
CAS-BOT-BC266664
Pedicularis dudleyi
D. D. Davis
No date on label
s.n.
San Mateo
Santa Cruz Peninsula. Iverson's Peter's Creek
Comment Read comments Jun 13 2020
RSA125134
Pedicularis dudleyi
E. F. Sprague
1956-5-28
1701
San Mateo
Portola State Park, about campground headquarters
305
Comment Read comments Mar 2 2010
UC306599
Pedicularis dudleyi
A. D. E. Elmer
June, 1903
4289
San Mateo
Iverson's Place Pescadero Creek; Iverson's Place, Pescadero Creek, San Mateo Co.
Comment Read comments Feb 28 2011
CAS-BOT-BC207023
Pelargonium vitifolium
J. H. Thomas
1949-6-4
589
San Mateo
Along coast, 1.4 miles S of road leading to Pescadero.
Comment
UC1063604
Pellaea andromedifolia
R. C. Wilson
1935-8-2
244
San Mateo
head of Harington Creek; Santa Cruz Quadrangle
Comment
RSA686791
Pellaea andromedifolia
Paul C. Silva
1948-1-31
2622
San Mateo
Old La Honda Grade, 1 mile south of Skyline Blvd.
457
Comment
RSA137339
Pentachaeta alsinoides
John H. Thomas
1958-5-10
7155
San Mateo
Jasper Ridge, about 5 miles southwest of Palo Alto.
152
Comment
CAS-BOT-BC330498
Pentachaeta bellidiflora
J. H. Thomas
1974-4-11
17133
San Mateo
SE of Canada Road and Edgewood Road, NW of Woodside.
152
Comment
SJSU14193
Pentachaeta bellidiflora
Toni Corelli
1989-4-2
201
San Mateo
watershed triangle between Edgewood & Canada Rds
170
Comment
CAS-BOT-BC77007
Pentagramma triangularis subsp. triangularis
George Oberlander
1950-2-1
400
San Mateo
San Francisco Watershed Reserve - Pilarcitos Canyon
Comment
UC812463
Pentagramma triangularis subsp. triangularis
Lewis S. Rose
1938-2-23
38082
San Mateo
Woodside
152
Comment
CAS-BOT-BC355896
Pericallis hybrida
Phillip C. Wheeler
1965-6-20
s.n.
San Mateo
San Bruno Mountain. Across road from KRON*TV
Comment
CAS-BOT-BC418847
Persicaria hydropiperoides
Ira L. Wiggins
1985-9-28
22299
San Mateo
Bed of San Francisquito Creek, N side of creek bed, just above Pop [Pope] Street bridge, Menlo Park
Comment
CAS-BOT-BC413764
Persicaria lapathifolia
Verne Grant; Herbert L. Mason
1946-8-28
13089
San Mateo
Pond on Santa Cruz - Daly City Road #5, south of San Francisco
Comment
JROH3280
Persicaria maculosa
Toni Corelli
2004-10-20
281 b
San Mateo
Jasper Ridge Biological Preserve, Stanford University; east of Road C, below low flow crossing, on a moist embankment
80
Comment
UC1206459
Petasites frigidus var. palmatus
Roxana S. Ferris
1918-3-30
750
San Mateo
1 mi above Evans Creek; Peters Creek
Comment
POM289352
Phacelia californica
Lyman Benson
1930-4-6
2038
San Mateo
Spring Valley, Crystal Springs Lake, San Lorenzo Mt. Range.
183
Comment
UC1211925
Phacelia californica
John H. Weiler and B. Hirano
1961-3-22
6136
San Mateo
steep bluff along Hwy 1 0.2 mi s Devil's Slide (n of Moss Beach)
Comment
UC1523540
Phacelia californica
Robert F. Thorne and P. Everett
1963-6-9
32213
San Mateo
top of mt. near TV tower; San Bruno Mountain
335
Comment
POM65426
Phacelia divaricata
C. F. Baker
1902-3-30
432
San Mateo
Crystal Springs Lake
Comment
RSA128863
Phacelia divaricata
W. R. Dudley
1895-6-8
s.n.
San Mateo
Along the road near the alpine school house, Black Mt.
Comment
OBI13755
Phacelia malvifolia
Lewis S. Rose
1965-5-3
65057
San Mateo
San Bruno Mtn, Colma Cyn
61
Comment
JROH2761
Phacelia nemoralis var. nemoralis
John H. Thomas
1973-6-15
16848
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
SJSU5407
Phaedranthus buccinatorius
A. J. Cortopassi
1959-5-9
San Mateo
2319 Hillsdale Dr, Burlingame
Comment
JROH5380
Phalaris brachystachys
John Rawlings
2005-5-25
1003
San Mateo
Jasper Ridge Biological Preserve, Stanford University; 100 yards west from Escobar Gate, 20 yards north of Road F
161
Comment
SJSU15792
Phalaris californica
Toni Corelli
2010-6-1
641
San Mateo
Wavecrest, west of Highway 1 in Half Moon Bay.
23
Comment
UC204158
Phalaris californica
A. D. E. Elmer
June, 1903
4699
San Mateo
Crystal Springs Lake
Comment
CAS-BOT-BC250644
Phalaris minor
J. H. Thomas
1954-4-3
3828
San Mateo
San Gregorio Creek drainage, 1.2 miles inland from San Gregorio
60
Comment
UCR123138
Phalaris minor
George K. Helmkamp, E. A. Helmkamp
2001-6-2
6773
San Mateo
San Francisco Bay Region, Purisima Creek Road, east of Half Moon Bay at Purisima Creek, 3.2 miles east of CA Hwy 1
244
Comment
JROH5855
Phalaris paradoxa
Herb Dengler
1980-6-20
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University; ca. 100 yards due N. of 2nd enclosure
Comment
JROH5552
Pholistoma auritum var. auritum
John Rawlings, Toni Corelli
2013-4-16
1133
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Trail 2 extension northwest of the cistern
102
Comment
CAS-BOT-BC222502
Pholistoma auritum var. auritum
Miss E. Cannon
No date on label
s.n.
San Mateo
South San Francisco
Comment
CAS-BOT-BC222503
Pholistoma auritum var. auritum
Philip Wheeler
1965-6-16
s.n.
San Mateo
San Bruno Mountain. Gladys Canyon in Brisbane
Comment
SD38211
Phoradendron leucarpum subsp. tomentosum
Edith A. Purer
1934-8-14
5914
San Mateo
On highway, west of Stanford University campus
Comment
SEINET9341363
Phyllospadix scouleri
Unknown
1966-8-8
San Mateo
Half Moon Bay
Comment
UC2056116
Phyllospadix torreyi
2015-6-18
San Mateo
Pescadero. beds south of promontory
Comment
JROH4174
Physalis philadelphica
Toni Corelli
2011-7-12
370
San Mateo
Jasper Ridge Biological Preserve, Stanford University; south of Road B
77
Comment
CAS-BOT-BC142177
Physocarpus capitatus
Le Roy Abrams
1902-5-4
2397
San Mateo
Foothills back of Redwood
Comment
CAS-BOT-BC142186
Physocarpus capitatus
Walter Knight
1963-6-24
s.n.
San Mateo
Quarry 4 - San Bruno Mountain
Comment
JROH3726
Physocarpus capitatus
John H. Thomas
1977-4-19
18535
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek along low flow crossing
Comment
POM139821
Physocarpus capitatus
C. F. Baker
1902-5-4
747
San Mateo
Woodside.
Comment
UC860427
Physocarpus capitatus
Lewis S. Rose
1939-5-5
39093
San Mateo
San Mateo Canyon
45
Comment
UCD23296
Physocarpus capitatus
Alan T. Whittemore
1976-5-29
116
San Mateo
San Francisco Fish and Game Refuge. East side of Lower Crystal Springs Lake, on Sawyer's Camp Road, between L. San Andreas and Crystal Springs Lake.
100
Comment
SEINET12151537
Pickeringia montana
J. I. McMurphy
1906-1
50
San Mateo
King's Mtn., Santa Cruz Mtns
457
Comment
LA205150
Pickeringia montana subsp. montana
U. S. Grant;
1926-9-6
sn
San Mateo
Kings Mountain
609
Comment
IRVC7620
Pinus patula
P. W. Rundel
1964-8-8
1441
San Mateo
Menlo Park; North Lemon Avenue
18
Comment
CAS-BOT-BC72843
Pinus radiata
Walter Knight; Irja Knight
1964-9-30
s.n.
San Mateo
San Bruno Mountain, Cable Ravine
Comment
RSA12771
Pinus radiata
C. B. Wolf
1934-11-9
6230
San Mateo
Ano Nuevo Point to Pigeon Point; extend 1-2 miles south here
46
Comment
CAS-BOT-BC136529
Piperia candida
John H. Thomas
1961-6-20
9551
San Mateo
Field redacted by CAS, contact the data manager for more information
152
Comment
UC1371043
Piperia elegans
Theodore F. Niehaus
1968-8-14
836
San Mateo
ne slopes San Bruno Mountain
Comment
CAS-BOT-BC137311
Piperia elegans
James McMurphy
1906-8-24
s.n.
San Mateo
Field redacted by CAS, contact the data manager for more information
Comment
UCSC008349
Piperia elegans subsp. elegans
Randall Morgan
1991-7-27
1996 -P
San Mateo
Pacifica, Rockaway Beach
Comment
CAS-BOT-BC254388
Piptatherum miliaceum
Ira L. Wiggins
1980-8-29
22256
San Mateo
Lower bank of San Francisquito Creek, ca. 150 m upstream from Pope Street bridge, Menlo Park
Comment
JROH2205
Pisum sativum
John H. Thomas
1967-4-28
12724
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA128819
Plagiobothrys chorisianus
L. R. Abrams
1909-4-27
s.n.
San Mateo
Santa Cruz Mountain peninsula, near Crystal Springs Lake
Comment Read comments Dec 2 2007
SD99464
Plagiobothrys chorisianus
John H. Thomas
1961-5-7
9258
San Mateo
San Bruno Mountain.
Comment
UC579690
Plagiobothrys chorisianus
H. S. Yates
1935-5-8
5216
San Mateo
2 mi s Pescadero; Santa Cruz Quad.
60
Comment
CAS-BOT-BC228137
Plagiobothrys chorisianus
Roxana S. Ferris
1920-4-23
1953
San Mateo
The Santa Cruz Mountain Peninsula. On abandoned road above N fork of Peters Creek, about spring
640
Comment
LA204230
Plagiobothrys chorisianus
D. Keck;
1932-4-18
1435
San Mateo
San Francisco Bay, Burlingame
2.0
Comment
RSA518799
Plagiobothrys chorisianus
L. R. Heckard, Thomas
1972-4-16
2897
San Mateo
Along Old Canada Road (private), ca 1.5 miles south of Pulgas Water Temple (SW of Upper Crystal Springs Reservior)
122
Comment
CAS-BOT-BC228170
Plagiobothrys chorisianus var. hickmanii
David D. Keck
1938-5-30
4728
San Mateo
Pescadero, on bluffs overlooking the ocean
Comment
JROH1434
Plagiobothrys tenellus
Le Roy Abrams
1904-5-5
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UCD124413
Plantago elongata
June McCaskill
1954-5-8
293
San Mateo
Moss Beach.
Comment
JEPS22019
Plantago elongata
G. Thomas Robbins with S. Galen Smith
1958-6-9
3860
San Mateo
.12 mi w State Highway 1 (0.5 mi n of bridge crossing Pescadero Creek)
Comment
JROH3109
Plantago erecta
John H. Thomas
1957-4-16
6656
San Mateo
Jasper Ridge Biological Preserve, Stanford University; on top of ridge and adjacent slopes
Comment
JROH3118
Plantago erecta
John Hunter Thomas
1981-4-27
20508
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH3125
Plantago erecta
John Hunter Thomas
1991-5-2
25017
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH5611
Plantago erecta
John Rawlings
2014-4-11
1214
San Mateo
Jasper Ridge Biological Preserve, Stanford University. In road G immediately north of its intersection with Rd. J.
105
Comment
JROH5869
Plantago erecta
Ann Lambrecht
2012-3-10
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University; open serpentine-influenced grassland on ridge top SE of blue oak woodland. Sector 23 D3
105
Comment
SEINET7097924
Plantago erecta
A. G. Vestal
1937-6-15
s.n.
San Mateo
Lat. 37 14' 13ao N, Long. 122 24' 55ao W (NAD27 converted to WGS84 decimal degrees). Pebble Beach west of Pescadero. UTM Zone 10, 551863 mE, 4121109 mN.
Comment
JROH3114
Plantago erecta
John H. Thomas
1977-5-4
18599
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near Westridge entrance
Comment
JROH3137
Plantago major
John Hunter Thomas
1981-9-24
20752
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA788373
Plantago major
Peter Rubtzoff, Roman Gankin
1975-9-11
8371
San Mateo
Pond NW and across old Guadalupe Road from 'Saddle' area (which is located on north side of Guadalupe Canyon Parkway, west of Radio Road junction).
Comment
RSA18371
Plantago maritima
Carl B. Wolf
1927-6-29
537
San Mateo
Along coast south of Pebble Beach near Pescadero.
Comment
UC1192029
Plantago subnuda
Malcolm A. Nobs and S. Galen Smith
1949-8-26
1583
San Mateo
about 1 mi s Half Moon Bay
Comment
CAS-BOT-BC92017
Platystemon californicus
Elizabeth McClintock
1965-6-13
s.n.
San Mateo
San Bruno Mountain. Colma Canyon.
Comment
UC766305
Plectritis macrocera
R. F. Hoover
1941-4-23
4908
San Mateo
Redwood City
Comment
POM284728
Plectritis macrocera subsp. macrocera
Arthur L. Cohen
1935-4-21
635
San Mateo
Jasper Ridge, Stanford University. Santa Cruz Mtn Range, San Francisco Bay Watershed.
152
Comment
UC204163
Pleuricospora fimbriolata
A. D. E. Elmer
Jun 1903
5075
San Mateo
on Big Basin trail, Iverson's Place
Comment
CAS-BOT-BC258900
Poa annua
Peter Rubtzoff
1988-5-3
9913
San Mateo
San Bruno Mountain, Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road Junction, near old Guadalupe Road in the northwest part of the Saddle area, east of Saddle Trail Junction.
Comment
JROH5401
Poa annua
John Hunter Thomas
1980-11-27
20181
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
SD99466
Poa annua
Ira L. Wiggins
1975-4-17
22142
San Mateo
NE side of Southern Pacific right-of-way, between San Francisquito Creek and Willow Road, San Mateo, along path
Comment
CAS-BOT-BC254544
Poa douglasii
Robert Robertson
1954-5-1
128
San Mateo
At back of beach N of San Gregorio Creek
6
Comment
CAS-BOT-BC255785
Poa infirma
John H. Thomas
1965-4-29
10628
San Mateo
San Bruno Mountain in northern part of county
396
Comment
RSA135779
Poa secunda
W. R. Dudley
1896-4-4
s.n.
San Mateo
Santa Cruz Mountain Peninsula; Near Summit Springs, Kings Mt.
Comment
CAS-BOT-BC243124
Poa secunda subsp. secunda
L. R. A.
1902-5-4
2408
San Mateo
Woodside
Comment
CAS-BOT-BC244246
Poa unilateralis
John H. Thomas
1955-4-6
4841
San Mateo
E facing slope of San Bruno Mountain just N of South San Francisco
91
Comment
SJSU15966
Poa unilateralis subsp. unilateralis
Toni Corelli, John Rawlings
2016-5-27
1844
San Mateo
Bean Hollow bluff trail, west of Hwy 1 south of Pescadero
8
Comment
SEINET5554721
Poaceae
E. A. Bernays
1985-1
s.n.
San Mateo
Half Moon Bay.
Comment
CAS-BOT-BC474768
Pogogyne serpylloides
Robert E. Preston
2011-6-16
2865
San Mateo
Santa Cruz Mountains. Oil Creek watershed, 1.8 mi NW of Waterman Gap
268
Comment
JROH2855
Pogogyne serpylloides
John H. Thomas
1966-4-29
11588
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CDA34563
Polygala californica
M. Beyers, Z. Bakman, L. Feely, & D. Sozanni
2011-4-4
873
San Mateo
Pacifica: San Pedro Valley County Park, along Brooks Creek Trail.
148
Comment
JROH3219
Polygala californica
Carol Zabel, Scott Lourie, Cindy Wilber
2001-6-2
43
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UCR66525
Polygonum amphibium
Lyman Benson
1932-7-11
3930
San Mateo
Santa Cruz Range, Stanford University. San Francisquito Creek.
62
Comment
UC168661
Polygonum amphibium var. emersum
C. F. Baker
1902-10-20
1835
San Mateo
Searsville
Comment
POM165063
Polygonum amphibium var. stipulaceum
A. D. E. Elmer
1903-07
4650
San Mateo
San Pedro.
Comment
CDA2829
Polygonum arenastrum
Buchanan
1960-4-28
4107
San Mateo
Harbor Blvd. & Freeway, Redwood City.
0
Comment
CAS-BOT-BC413757
Polygonum argyrocoleon
John Thomas Howell
1953-6-3
29057
San Mateo
Bayshore Highway, Redwood City
Comment
UC563966
Polygonum convolvulus
Ira L. Wiggins
1935-8-24
8159
San Mateo
roadside 2 mi e Half Moon Bay
Comment
CAS-BOT-BC109238
Polygonum paronychia
Adele Lewis Grant
1917-5-6
944
San Mateo
Pebble Beach near Pescadero.
Comment
LA51064
Polygonum paronychia
Ira L. Wiggins;
1929-7-4
3795
San Mateo
Pescadero Beach
Comment
SEINET3086523
Polygonum paronychia
C. W. Sharsmith
1950-4-16
6627
San Mateo
Vicinity of Pescadero Point, near Pescadero.
Comment
JEPS50633
Polygonum persicaria
W. L. Jepson
1923-10-18
10250
San Mateo
hills w Colma (toward ocean)
Comment
RSA431144
Polypodium
Lyman Benson
1929-3-5
972
San Mateo
King s Mountain
Comment
CAS-BOT-BC76945
Polypodium californicum
H. L. Mason
1921-6-1
s.n.
San Mateo
Pebble Beach near Pescadero
Comment
JROH5945
Polypodium californicum
John Rawlings
2017-2-21
1957
San Mateo
Jasper Ridge Biological Preserve, Stanford University; Trail 6, just south of prairie opening in serpentine chaparral
123
Comment
CAS-BOT-BC76902
Polypodium californicum
George Oberlander
1951-3-11
1157
San Mateo
San Francisco Watershed Reserve - Pilarcitos Canyon
Comment
UCSC007770
Polypodium californicum
Becky Hendricks, Shayne Coppedge
2012-6-22
s.n.
San Mateo
Ano Nuevo State Park
Comment
CAS-BOT-BC76856
Polypodium calirhiza
Peter H. Raven
1951-2-18
2730
San Mateo
San Bruno Mts. near Brisbane.
Comment
JROH5427
Polypogon interruptus
John H. Thomas
1959-8-22
8085
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Along stream below dam.
Comment
JROH5435
Polypogon interruptus
John Hunter Thomas
1983-5-23
22247
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Roadside drainage near shack side & low-flow crossing.
Comment
JROH5445
Polypogon monspeliensis
John H. Thomas
1974-10-29
17644
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Small peninsula created by drainage channel cut to accommodate water from Corte Madera Cr.
Comment
SEINET200159
Polypogon monspeliensis
Malcolm A. Nobbs, S. Galen Smith
1949-8-25
1563
San Mateo
Marshes at Sharp Park.
Comment
CAS-BOT-BC237589
Polypogon viridis
Philip Wheeler
1965-6-8
s.n.
San Mateo
San Bruno Mountain. Crocker Industrial Park
Comment
JROH4811
Polypogon viridis
H. J. Dengler
1965-8-22
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University; S.F. Creek bed in sunny area below N. bend
Comment
JROH4820
Polypogon viridis
John Hunter Thomas
1983-7-7
22816
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Just below dam.
Comment
RSA596241
Polypogon viridis
Peter Rubtzoff, Walter Knight, I. Knight
1987-6-26
9793
San Mateo
San Bruno Mountains; 'Saddle' area on north side of Guadalupe junction; near road in the area of the upper- most part of East Fork Colma Creek in the northwest corner of Fog Forest.
Comment
SJSU4367
Polypogon viridis
A. J. Cortopassi
1957-5-17
8
San Mateo
Canyon Rd, Burlingame
Comment
CAS-BOT-BC72150
Polystichum californicum
Eric Walther
1919-6-9
s.n.
San Mateo
Woodside
Comment
CAS-BOT-BC72218
Polystichum dudleyi
John H. Thomas
1961-5-23
9454
San Mateo
Portola State Park, near junction of Peters and Pescadero Creeks
152
Comment
JROH46
Polystichum dudleyi
Lawrence J. Winship
1974-11-2
2
San Mateo
Jasper Ridge Biological Preserve, Stanford University.
Comment
CAS-BOT-BC6608
Polystichum dudleyi
W. R. Dudley
1903-5-2
s.n.
San Mateo
Near bridge, Peter's Creek, Santa Cruz Mts.
Comment
CAS-BOT-BC72227
Polystichum dudleyi
Kate O. Sessions
s.n.
San Mateo
unspecified
Comment
UC1063668
Polystichum munitum
T. Tyrrell
1928-9-26
11
San Mateo
Pomonio Creek; Santa Cruz Quadrangle, Plot 13
91
Comment
CAS-BOT-BC389729
Polystichum munitum
J. Lovelle
1973-7-22
24
San Mateo
Mt. Ellen
Comment
JROH3843
Populus trichocarpa
John Hunter Thomas
1983-7-7
22818
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
POM223174
Populus trichocarpa
S. S. Berry
1909-2-27
s.n.
San Mateo
Near Los Francos Creek.
46
Comment
JROH3357
Portulaca oleracea
John H. Thomas
1974-6-27
17450
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Near the low flow crossing below Searsville Dam
Comment
UC652561
Potamogeton pectinatus
Ira L. Wiggins and Roxana S. Ferris
1939-8-2
9293
San Mateo
Ano Nuevo Point
Comment
CAS-BOT-BC454000
Potamogeton pectinatus
Malcom A. Nobs; S. Galen Smith
1949-8-25
1552
San Mateo
At Sharp Park
Comment
CAS-BOT-BC454009
Potamogeton pectinatus
Ira L. Wiggins; Roxana S. Ferris
1939-8-2
9293
San Mateo
Ano [Ano] Nuevo Point
Comment
CHSC39829
Potentilla anserina subsp. pacifica
Maibelle Williams
1929-5-10
San Mateo
Moss Beach.
Comment
UC1128137
Potentilla anserina subsp. pacifica
H. S. Yates
1935-5-8
5221
San Mateo
2 mi sw Pescadero; Santa Cruz Quad.
Comment
UC1543108
Potentilla anserina subsp. pacifica
Donald G. Nelson
1939-6-14
617
San Mateo
e side Skyline Blvd (a few mi s of Daly City); s of Daly Cith
Comment
JEPS121447
Primula clevelandii var. patula
Adam C. Schneider with C. Matt Guilliams
2013-3-9
22
San Mateo
Crystal Springs Reservoir
Comment
JROH4669
Prosartes hookeri
John H. Thomas
1967-4-28
12728
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH4670
Prosartes hookeri
John H. Thomas
1967-4-28
12728
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
SD38546
Prunella vulgaris
Edith A. Purer
1932-7-18
4020
San Mateo
Near Pigeon Point.
Comment
RSA181225
Prunella vulgaris var. lanceolata
John H. Thomas
1964-6-19
10430
San Mateo
0.9 miles S of Tunitas Creek near Coast Hwy,
61
Comment
RSA218028
Prunella vulgaris var. lanceolata
Walter Knight, I. Knight
1963-8-5
s.n.
San Mateo
Colma Canyon
Comment
CAS-BOT-BC154498
Prunus ilicifolia
George Oberlander
1949-8-20
388
San Mateo
Sweeney Ridge
Comment
CAS-BOT-BC154504
Prunus ilicifolia
A. D. E. Elmer
1903-7-1
4773
San Mateo
Pilarcitos Stone Dam
Comment
RSA454145
Prunus ilicifolia
L. M. Booth
1932-10-29
2119
San Mateo
San Bruno Mountain.
61
Comment
UC861053
Prunus ilicifolia
Lewis S. Rose
1937-10-31
37725
San Mateo
Hill w of Tanforan
91
Comment
CAS-BOT-BC356857
Pseudognaphalium californicum
Josephine D. Randall
1907-7-23
47
San Mateo
Santa Cruz Peninsula. Near Crystal Springs Lake
Comment
JROH755
Pseudognaphalium californicum
John H. Thomas
1961-6-7
9534
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH767
Pseudognaphalium californicum
John Hunter Thomas
1983-4-28
21783
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC356864
Pseudognaphalium californicum
Philip C. Wheeler
1965-5-8
s.n.
San Mateo
San Bruno Mountain. Sierra Point
Comment
HSC23984
Pseudognaphalium californicum
Mary Katherine Wicksten
1971-6-17
54
San Mateo
Huddart Park on Chickadee Trail
Comment
JROH774
Pseudognaphalium luteoalbum
John H. Thomas
1964-11-15
10527
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC357117
Pseudognaphalium luteoalbum
John H. Thomas
1976-5-2
12804
San Mateo
San Bruno Mountain. About 1/4 mile up Market St. from new school in canyon
Comment
CAS-BOT-BC357135
Pseudognaphalium luteoalbum
R. E. Frenkel
1963-12-7
326
San Mateo
San Francisco Water District, along road edge, ca. 0.5 mile east of Halfmoon [Half Moon] Bay Club toward Pilarcitos Reservoir
Comment
JROH773
Pseudognaphalium luteoalbum
J. H. Thomas
1958-12-21
7510
San Mateo
Jasper Ridge Biological Preserve, Stanford University; Searsville Lake
Comment
JROH776
Pseudognaphalium luteoalbum
John H. Thomas
1974-10-29
17649
San Mateo
Jasper Ridge Biological Preserve, Stanford University; small peninsula created by drainage channel cut to accomodate water from Corte Madera Cr.
Comment
JROH778
Pseudognaphalium luteoalbum
John H. Thomas
1976-10-16
18400
San Mateo
Jasper Ridge Biological Preserve, Stanford University; now dry delta in Searsville Lake at the mouth of Corte de Madera Creek
Comment
UCD135090
Pseudognaphalium luteoalbum
J. D. Skoss
1948-7-25
44
San Mateo
Montara.
Comment
CAS-BOT-BC344869
Pseudognaphalium stramineum
Peter Rubtzoff
1975-11-8
8438
San Mateo
Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction, San Bruno Mountains.
Comment
JEPS34068
Pseudognaphalium stramineum
L. M. Newlon
1921-7-30
248
San Mateo
sea shore from Salada to Mussel
Comment
CAS-BOT-BC361560
Pseudognaphalium stramineum
Walter Knight; Irja Knight
1963-7-14
s.n.
San Mateo
San Bruno Mountain. Quarry 3
Comment
CAS-BOT-BC361569
Pseudognaphalium stramineum
George Oberlander
1949-7-30
327
San Mateo
San Francisco Watershed Reserve. Sawyer Ridge
Comment
POM25381
Pseudotsuga menziesii
A. D. E. Elmer
1903-04
4562
San Mateo
Kings Mountain.
Comment
RSA15295
Pseudotsuga menziesii
C. B. Wolf
1927-4-3
265
San Mateo
1 mile above La Honda. Santa Cruz Mountains
Comment
RSA384644
Pseudotsuga menziesii
L. H. Jones
1909-3-13
s.n.
San Mateo
King s Mountain Road, Stanford University.
610
Comment Read comments Sep 22 2011
UCSB11506
Pseudotsuga menziesii
Olson, Jim
1962-4-15
San Mateo
2 miles east of Portola State Park of Portola State Park Road; 20 miles south of La Honda
Comment
JROH125
Pseudotsuga menziesii var. menziesii
John H. Thomas
1970-1-1
15492
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
SEINET5334815
Pseudotsuga menziesii var. menziesii
R. L. Oliver
1976-4-18
s.n.
San Mateo
La Honda, San Mateo Memorial Park.
Comment
JROH1178
Psilocarphus tenellus
John H. Thomas
1961-4-29
9178
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC362030
Psilocarphus tenellus
Walter Knight; Irja Knight
1965-3-21
960
San Mateo
San Bruno Mountain. North Power Line Ridge
Comment
JEPS35778
Psilocarphus tenellus
V. F. Hesse
1964-5-26
3199
San Mateo
Whitehouse Creek Road near coast
60
Comment
CHSC39781
Pteridium aquilinum
Maxey-Jones
1928-4-21
San Mateo
La Honda Redwoods.
Comment Read comments Jul 10 2010
UC474203
Pteridium aquilinum var. pubescens
H. F. Copeland
1920-5-18
174
San Mateo
King's Mt
Comment
CAS-BOT-BC421316
Pterostegia drymarioides
John H. Thomas
1965-4-29
10625
San Mateo
San Bruno Mountain in northern part of county.
396
Comment
CAS-BOT-BC421320
Pterostegia drymarioides
W. Knight; I. Knight
1965-6-20
s.n.
San Mateo
San Bruno Mountain. Crystal Cave Canyon
Comment
JROH2537
Quercus X jolonensis
Lucile Roush
1917-10-9
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
HSC8087
Quercus agrifolia
L. S. Rose
1964-3-23
64012
San Mateo
Emerald Lake, W of Redwood City
122
Comment
UC565407
Quercus agrifolia
Chas. M. Belshaw
1936-1-25
1457
San Mateo
2.8 mi w Woodside (Kings Mountain road); South Coast Range
Comment
UCD45065
Quercus agrifolia
Lewis S. Rose
1964-3-23
64012
San Mateo
Emerald Lake, W. of Redwood City hills. Alt. ca. 400ft.
Comment
CAS-BOT-BC62310
Quercus chrysolepis
Margaret Barry
1938-5-15
s.n.
San Mateo
Woods on Coal Mine Ridge
Comment
CAS-BOT-BC62308
Quercus chrysolepis
Albert Wilson
1936-8-16
s.n.
San Mateo
Santa Cruz Mts. above Pescadero
Comment
RSA169307
Quercus durata
L. S. Rose
1964-9-5
64068
San Mateo
Emerald Lake, W of Redwood City.
244
Comment
SJSU1086
Quercus durata
C. W. Sharsmith
1951-4-6
6638
San Mateo
Woodside Hills, 3 mi E of Woodside
182
Comment
UC847969
Quercus durata
Lewis S. Rose
1938-11-27
38314
San Mateo
w of Redwood City; Emerald Lake
243
Comment
OBI62796
Quercus durata var. durata
Lewis S. Rose
1964-9-5
64068
San Mateo
Emerald Lake, W of Redwood City
244
Comment
CAS-BOT-BC105392
Quercus kelloggii
W. R. Dudley
1901-5-4
s.n.
San Mateo
Santa Cruz Mountain Peninsula, Coal Mine Canon [canyon]
Comment
CAS-BOT-BC105401
Quercus kelloggii
Eric Walther
1919-6-9
s.n.
San Mateo
Woodside
Comment
JROH2496
Quercus kelloggii
A. D. E. Elmer
1903-5-1
4520
San Mateo
Jasper Ridge Biological Preserve, Stanford University; Searsville Lake
Comment
JROH2509
Quercus kelloggii
John Hunter Thomas
1987-5-26
24323
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH2514
Quercus kelloggii
John Hunter Thomas
1989-5-11
24734
San Mateo
Jasper Ridge Biological Preserve, Stanford University; to the west of dam along road
Comment
RSA477345
Quercus kelloggii
L. H. Jones
1909-3-3
s.n.
San Mateo
King's Mountain Road, Stanford University.
107
Comment Read comments Sep 22 2011
UCSB34854
Quercus lobata
Gropp, K.
1959-4-8
San Mateo
2 Frederick Court, Menlo Park, front yard
Comment
CAS-BOT-BC134786
Quercus wislizeni
James McMurphy
1909-5-26
s.n.
San Mateo
La Honda
Comment
SEINET13954082
Quercus wislizeni
John Thomas Howell
1964-1
40961
San Mateo
Portola State Park
Comment
CAS-BOT-BC362547
Rafinesquia californica
Fred Hemphill
1973-5-14
824
San Mateo
San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr.
207
Comment
CAS-BOT-BC389716
Ranunculus
Sharon Rogers
1966-4-23
s.n.
San Mateo
Field east of Canada Road, between North and South Gates of Filoli Estate
Comment
JEPS54964
Ranunculus californicus
W. L. Jepson
1914-3-22
5730
San Mateo
Redwood City
Comment
POM268423
Ranunculus californicus
Arthur L. Cohen
1935-4-21
618
San Mateo
Jasper Ridge, San Francisquito Creek.
122
Comment
UC750526
Ranunculus californicus
Lewis S. Rose
1947-4-14
47094
San Mateo
Skyline Blvd. e Sharps Park
152
Comment
UCR136711
Ranunculus californicus var. californicus
E. W. Rust
1907-3-28
79
San Mateo
Santa Cruz Mountains, Alta Vista
183
Comment
CAS-BOT-BC378524
Ranunculus californicus var. californicus
Margaret A. Barry
1937-5-8
56
San Mateo
grassland on Coal Mine Ridge
Comment
RSA15339
Ranunculus californicus var. cuneatus
Carl B. Wolf
1927-1-29
s.n.
San Mateo
Pebble Beach, along bluffs near Beach
Comment
JROH3477
Ranunculus hebecarpus
John H. Thomas
1969-4-20
14894
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA176765
Ranunculus hebecarpus
John H. Thomas
1963-4-13
10033
San Mateo
Jasper Ridge Biological experimental area, 5 miles SW of Palo Alto.
Comment
POM87782
Ranunculus hebecarpus
L. R. Abrams
1901-03
s.n.
San Mateo
San Mateo Park
Comment
JROH3499
Ranunculus muricatus
John Hunter Thomas
1985-4-10
23513
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Grassy areas, east of low flow crossing.
Comment
POM269264
Ranunculus muricatus
Lyman Benson
1935-5-7
6546
San Mateo
Santa Cruz Mt, San Francisco Bay, Stanford University
152
Comment
SEINET12100640
Ranunculus orthorhynchus
L. S. Rose
1937-1
37241
San Mateo
Brisbane
6
Comment
RSA230359
Ranunculus orthorhynchus var. bloomeri
L. S. Rose
1937-4-30
37241
San Mateo
Brisbane.
6
Comment
CDA3486
Ranunculus trilobus
P. Greer
2002-4-17
s.n.
San Mateo
Highway 101, in Half Moon Bay.
0
Comment
OBI48701
Raphanus sativus
S. Bagley
1969-3-28
s.n.
San Mateo
Overlooking the San Francisco Game Refuge
145
Comment
JEPS85565
Rhamnus californica
Craig Dremann
1986-8-30
325
San Mateo
near San Gregorio (Stage road, 450 ft s of intersection of Seaside School road, on e side of school)
Comment
CAS-BOT-BC55883
Rhamnus crocea
Walter Knight; Irja Knight
1964-5-4
590
San Mateo
unspecified
Comment
CAS-BOT-BC55884
Rhamnus crocea
Walter Knight; Irja Knight; Elizabeth McClintock
1963-9-2
s.n.
San Mateo
Croker Hills
Comment
CAS-BOT-BC55886
Rhamnus crocea
J. I. McMurphy
1906-4-4
55
San Mateo
Los Trancos Creek, Santa Cruz Mts.
182
Comment
CAS-BOT-BC55890
Rhamnus crocea
H. A. Dutton
1900-2-1
s.n.
San Mateo
unspecified
Comment
CAS-BOT-BC55903
Rhamnus crocea
George Oberlander
1950-5-21
967
San Mateo
Northern Cahill Ridge
Comment
POM243723
Rhamnus tomentella subsp. tomentella
Carl B. Wolf
1927-12-31
1472
San Mateo
1/2 way up Kings Mt.
Comment
RSA121957
Rhododendron macrophyllum
N. K. Carlson
1935-7-2
112
San Mateo
5 miles south of Bellvale.
305
Comment
CAS-BOT-BC92493
Ribes aureum var. gracillimum
Adoph Holme
1929-4-1
s.n.
San Mateo
Berenda Farm near Redwood City.
Comment
POM222802
Ribes californicum
S. S. Berry
1909-2-27
s.n.
San Mateo
Roadside near Adalanta Villa.
46
Comment
RSA124767
Ribes californicum
John H. Thomas
1959-2-23
7518
San Mateo
Jasper Ridge, about 5 mi SW of Palo Alto.
152
Comment
JROH2636
Ribes californicum var. californicum
John H. Thomas
1959-2-23
7518
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH2646
Ribes californicum var. californicum
John Hunter Thomas
1982-2-19
20802
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near Goya Gate
Comment
RSA0003752
Ribes deductum
C. F. Baker
1902-4-4
441
San Mateo
Crystal Springs Lake
Comment
SEINET6205023
Ribes divaricatum
L. S. Rose
1965-1
65008
San Mateo
Searsville Lake.
Comment
CAS-BOT-BC173091
Ribes divaricatum var. pubiflorum
George Oberlander
1949-4-9
49
San Mateo
Pilarcitos Canyon
Comment
JROH2654
Ribes divaricatum var. pubiflorum
John Hunter Thomas
1985-4-25
23555
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Causeway.
Comment
RSA0025025
Ribes divaricatum var. pubiflorum
L. R. Abrams
1904-4-10
s.n.
San Mateo
East of Crystal Springs Reservoir.
Comment
CAS-BOT-BC173465
Ribes malvaceum
Marian L. Campbell
1920-5-2
s.n.
San Mateo
Los Altos
Comment
CAS-BOT-BC173474
Ribes malvaceum
A. D. E. Elmer
1903-3-1
4750
San Mateo
Portola
Comment
RSA0021675
Ribes malvaceum
A. D. E. Elmer
1903-03
4535
San Mateo
Portola
Comment
RSA0021676
Ribes malvaceum
Lyman Benson
1931-1-25
2576
San Mateo
Continuation of Page Mill Road toward La Honda. Stanford University, Santa Cruz Mountain Range.
244
Comment
JROH2663
Ribes malvaceum var. malvaceum
John H. Thomas
1968-2-11
14146
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC212827
Ribes menziesii
A. D. E. Elmer
1903-6-1
4787
San Mateo
Lake San Andreas
Comment
CAS-BOT-BC212832
Ribes menziesii
W. R. Dudley
1894-3-1
s.n.
San Mateo
Between Half Moon Bay and Woodside
Comment
CAS-BOT-BC212833
Ribes menziesii
W. R. Dudley
1893-3-23
s.n.
San Mateo
Canada Cr. near Searsville
Comment
CAS-BOT-BC212842
Ribes menziesii
J. H. Thomas
1949-3-31
205
San Mateo
King's Mountain
Comment
CAS-BOT-BC212843
Ribes menziesii
D. E. Breedlove
1974-5-13
36202
San Mateo
San Pedro Valley Park, Pacifica
152
Comment
SEINET12220270
Ribes menziesii
Unknown
1932-1
8946
San Mateo
Los Francos Woods
Comment Read comments Nov 1 2021
JROH2672
Ribes menziesii var. menziesii
Toni Corelli
2002-8-19
248
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Along Trail 1.
82
Comment
JEPS48600
Ribes sanguineum
Elsa Kraeger
1926-2-21
San Mateo
La Honda
Comment
CAS-BOT-BC144609
Ribes sanguineum var. glutinosum
Le Roy Abrams
1902-4-13
2333
San Mateo
Crystal Springs
Comment
UCR70842
Ribes sanguineum var. glutinosum
L. S. Rose
1947-3-11
47027
San Mateo
Kings Mountain
610
Comment
RSA0019106
Ribes sanguineum var. glutinosum
Josephine Randall
1907-3-9
s.n.
San Mateo
Kings Mountain. Santa Cruz Peninsula.
Comment
CAS-BOT-BC207159
Ricinus communis
John H. Thomas
1967-5-25
11637
San Mateo
Menlo Park, near Southern Pacific train station.
Comment
JROH1204
Rigiopappus leptocladus
John H. Thomas
1963-5-15
10089
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH1208
Rigiopappus leptocladus
John Hunter Thomas
1991-5-2
25012
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
SEINET3388620
Rigiopappus leptocladus
Lewis S. Rose
1933-4-30
33130
San Mateo
Redwood City
Comment
CAS-BOT-BC363092
Rigiopappus leptocladus
L. R. Abrams
1910-5-7
s.n.
San Mateo
Santa Cruz Mountain Peninsula. Between Woodside and Crystal Springs Lakes
Comment
CAS-BOT-BC363093
Rigiopappus leptocladus
Elizabeth McClintock
1978-4-24
s.n.
San Mateo
Gilmore McDowell property, Woodside
Comment
CAS-BOT-BC341023
Robinia pseudoacacia
L. R. Abrams
1922-5-3
s.n.
San Mateo
Sutliff Garden, Stanford University
Comment
CAS-BOT-BC74652
Rorippa curvisiliqua
George Oberlander
1949-7-30
315
San Mateo
San Francisco Watershed Reserve. Along Pilarcitos Creek.
Comment
CAS-BOT-BC147630
Rosa californica
Walter Knight; Irja Knight
1964-9-2
746
San Mateo
Overlooking San Francisco Bay, Point San Bruno
Comment
CAS-BOT-BC146689
Rosa gymnocarpa
James McMurphy
1902-5-1
s.n.
San Mateo
King's Mountain
Comment
CAS-BOT-BC146697
Rosa gymnocarpa
George Oberlander
1949-4-30
134
San Mateo
Pilarcitos Canyon
Comment
POM140214
Rosa gymnocarpa
Edward L. Greene
1902-5-10
798
San Mateo
King's Mtn
Comment
JROH3760
Rosa gymnocarpa var. gymnocarpa
John H. Thomas
1974-6-27
17448
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH2869
Rosmarinus officinalis
Diane Renshaw, Ann Lambrecht
2011-6-21
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University; N of Westridge fence near Escobar Rd. turnaround
Comment
CAS-BOT-BC156646
Rubus bifrons
Elizabeth McClintock
1967-9-24
s.n.
San Mateo
Crocker Avenue
Comment
CAS-BOT-BC152838
Rubus parviflorus
Alice Eastwood; John Thomas Howell
1939-7-9
7438
San Mateo
Kings Mt.
Comment
CAS-BOT-BC152868
Rubus parviflorus
Walter Knight; Irja Knight
1964-5-4
s.n.
San Mateo
Romanzoffia ravine - San Bruno Mountain
Comment
UC481582
Rubus parviflorus
H. F. Copeland
1920-5-18
169
San Mateo
Kings Mt.
Comment
POM140137
Rubus parviflorus var. velutinus
Edward L. Greene
1902-1-15
245
San Mateo
West side King's Mountain.
Comment
POM222901
Rubus parviflorus var. velutinus
S. S. Berry
1909-4-2
s.n.
San Mateo
Bear Creek Canyon Grade
244
Comment
CAS-BOT-BC156771
Rubus spectabilis
A. D. E. Elmer
1903-5-1
4788
San Mateo
Spanishtown
Comment
CAS-BOT-BC157082
Rubus ursinus
L. R. Abrams
1914-10-14
5136
San Mateo
Tunitas [Canon] Canyon
Comment
CAS-BOT-BC157083
Rubus ursinus
A. D. E. Elmer
1903-6-1
4664
San Mateo
Crystal Springs Lake
Comment
CAS-BOT-BC157102
Rubus ursinus
Alice Eastwood; John Thomas Howell
1938-6-26
6050
San Mateo
Montara Mt. above Pt. San Pedro
Comment
CAS-BOT-BC157103
Rubus ursinus
Alice Eastwood; John Thomas Howell
1938-6-26
6050
San Mateo
Montara Mt. above Pt. San Pedro
Comment
CAS-BOT-BC157111
Rubus ursinus
John Thomas Howell
1938-6-4
13890
San Mateo
Burlingame
Comment
JROH3779
Rubus ursinus
John H. Thomas
1977-4-29
18574
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
POM139627
Rubus vitifolius
A. D. E. Elmer
1903-06
4664
San Mateo
Crystal Springs Lake.
Comment
CAS-BOT-BC422087
Rumex acetosella
Elizabeth McClintock
1965-3-28
s.n.
San Mateo
San Bruno Mountain. Between April Brook and Radio Road.
Comment
CAS-BOT-BC422090
Rumex acetosella
Elizabeth McClintock; Paul Reeberg
1989-8-31
s.n.
San Mateo
San Bruno Mountains. Willow Pond.
Comment
CAS-BOT-BC422292
Rumex californicus
Phillip Wheeler
1965-6-8
s.n.
San Mateo
San Bruno Mountain. Bayshore
Comment
CAS-BOT-BC421568
Rumex crassus
W. R. Dudley
1909-10-4
s.n.
San Mateo
Santa Cruz Mountain Peninsula. Near Mussel Rock.
Comment
UCSC007778
Rumex crassus
Becky Hendricks
2012-5-16
s.n.
San Mateo
Ano Nuevo State Park
Comment
CAS-BOT-BC433354
Rumex crispus
Javier Penalosa
1963-2-23
2656
San Mateo
San Bruno Mtn. Ravine south of Crocker Ave.
213
Comment
CAS-BOT-BC433367
Rumex crispus
A. D. E. Elmer
1903-6-1
4276
San Mateo
San Mateo
Comment
CAS-BOT-BC433544
Rumex fueginus
W. R. Dudley
1909-10-10
s.n.
San Mateo
Santa Cruz Mountain Peninsula. E. side Crystal Springs Reservoir.
Comment
JROH3305
Rumex pulcher
John H. Thomas
1967-6-1
12964
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC434000
Rumex salicifolius
David D. Keck
1932-5-6
1457
San Mateo
Belmont
Comment
JROH2216
Rupertia physodes
John H. Thomas
1976-5-26
18158
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UC279587
Ruppia cirrhosa
W. A. Setchell
1925-8-29
San Mateo
Laguna de Salada
Comment
CAS-BOT-BC454178
Ruppia maritima
Ira L. Wiggins
1946-4-30
11199
San Mateo
On west side of Bayshore Highway 1/2 mile north of Redwood City.
Comment
UCD163902
Ruta
Peter Rubtzoff
1988-4-12
9901
San Mateo
San Bruno Mountain, on east side of Summit Road (former Radio Road), ca. 1 mile from San Bruno Mtn. Park entrance.
Comment
SJSU4472
Ruta chalepensis
A. J. Hutchko
1962-5-20
100
San Mateo
by seaside walk near foot of Grove St, Half Moon Bay
15
Comment
UC1738942
Rytidosperma caespitosum
Glenn Clifton
1992-8-4
San Mateo
between Whitehorse Creek and Cascade Creek Santa Cruz Mountains, Cascade Ranch State Park
15
Comment
JROH1723
Sagina apetala
Toni Corelli
2009-3-25
349
San Mateo
Jasper Ridge Biological Preserve, Stanford University; Road F along road
152
Comment
JROH1719
Sagina apetala
D. E. Breedlove
1971-5-5
19324
San Mateo
Jasper Ridge Biological Preserve, Stanford University; on bluff above San Francisquito Creek, 500 yards below Searsville Dam
Comment
CAS-BOT-BC261658
Sagina decumbens subsp. occidentalis
Peter Rubtzoff
1988-5-3
9916
San Mateo
San Bruno Mountain, Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road Junction, near old Guadalupe Road in the northwest part of the Saddle area, near its crossing of the upper part of East Fork Colma Creek.
Comment
RSA312360
Salicornia maritima
H. L. Mason, Malcolm Nobs
1948-12-11
713
San Mateo
Hwy 101 near shore of bay, at Whipple Avenue intersection, Redwood City.
Comment
UC492372
Salix lasiandra subsp. lasiandra
Mrs. H. P. Bracelin
1932-7-4
640
San Mateo
4/10 mi e. Pescadero (Butano Creek Rd.)
Comment
JROH3871
Salix lasiandra var. lasiandra
John H. Thomas
1968-5-17
14177
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC125371
Salix lasiandra var. lasiandra
W. R. Dudley
1900-3-17
s.n.
San Mateo
South side of Montara Mts. along road
Comment
JROH3863
Salix lasiolepis
John H. Thomas
1967-3-26
12415 A
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH3866
Salix lasiolepis
Carol Zabel
1989-2-20
3
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Causeway bridge, Trail 13.
Comment
RSA788838
Salix lasiolepis
Peter Rubtzoff
1976-3-14
8446
San Mateo
Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction, upper part of East Fork Colma Creek Canyon.
Comment
JROH3854
Salix lasiolepis
John H. Thomas
1968-3-17
14176
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
POM281343
Salix lasiolepis
Lyman D. Benson
1931-1-25
2577
San Mateo
Near the Skyline Blvd. 5 miles S of La Honda Grade.
366
Comment
SEINET5884190
Salix lasiolepis
L. S. Rose
1965-1
65004
San Mateo
Searsville Lake.
Comment
CAS-BOT-BC107249
Salix lasiolepis var. bigelovii
Peter Rubtzoff; Patricia Fallon
1987-8-26
9842
San Mateo
San Bruno Mountains, Saddle area on north side of Guadelupe Canyon, Parkway west of Radio Road junction; northwestern part of the area along old Guadelupe Road, Upper part of East Fork Colma Creek canyon.
Comment
CAS-BOT-BC166958
Salix lasiolepis var. bigelovii
Peter Rubtzoff
1975-10-24
8433
San Mateo
Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction, East Fork Colma Creek Canyon.
Comment
CAS-BOT-BC108257
Salix lasiolepis var. bigelovii
W. R. Dudley
1899-5-14
s.n.
San Mateo
Near brook SW of Baden
Comment
CAS-BOT-BC124489
Salix lasiolepis var. lasiolepis
James McMurphy
1906-3-9
s.n.
San Mateo
Kings Mountain
Comment
CAS-BOT-BC126491
Salix sitchensis
A. D. E. Elmer
1903-5-1
4917
San Mateo
Portola
Comment
CAS-BOT-BC126506
Salix sitchensis
D. E. Breedlove
1974-5-13
36212
San Mateo
San Pedro Valley Park, Pacifica
152
Comment
CAS-BOT-BC126510
Salix sitchensis
E. A. McGregor
1908-3-28
s.n.
San Mateo
[King's] Kings Mt.
365
Comment
CAS-BOT-BC126519
Salix sitchensis
W. R. Dudley
1898-4-24
s.n.
San Mateo
El Corte de Madera Creek
Comment
POM167784
Salix sitchensis
C. F. Baker
1902-3-18
390
San Mateo
King's Mountain
Comment
SD70996
Salsola soda
William R. Anderson
1968-8-16
San Mateo
Edge of salt marsh just above high tide line, west end of Dumbarton Bridge.
Comment
JROH2870
Salvia columbariae
D. D. Davis
1903-4-5
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University; Searsville Ridge north slope
Comment
RSA681669
Salvia sonomensis
Annuschka Deb
1989-4-19
114
San Mateo
YBN Berm near parking lot
Comment
POM63429
Salvia spathacea
A. D. E. Elmer
1903-05
4440
San Mateo
Colma.
Comment
JROH1669
Sambucus nigra subsp. caerulea
John H. Thomas
1963-6-23
10171
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH1670
Sambucus nigra subsp. caerulea
John H. Thomas
1973-6-15
16853
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC236453
Sambucus racemosa subsp. racemosa
Walter Knight; Walter Knight
1963-6-24
s.n.
San Mateo
Quarry 4, San Bruno Mountain
Comment
CAS-BOT-BC236466
Sambucus racemosa subsp. racemosa
Alice Eastwood
1933-5-31
s.n.
San Mateo
Butano Creek
Comment
CAS-BOT-BC236452
Sambucus racemosa subsp. racemosa
Nancy Kittle
1981-5-15
067
San Mateo
1 mile west of junction of Highway 280 with Sandhill Road
50
Comment
JEPS13391
Sambucus racemosa var. racemosa
W. L. Jepson
1910-8-17
4157
San Mateo
Tunitas Creek; near the sea
Comment
CHSC37342
Sanicula arctopoides
J. F. Esperance; P. S. Worthing
1982-3-6
San Mateo
Top of San Bruno Mt., 1/2 mi s of parking lot on the ridge top.
304
Comment
UC1301128
Sanicula arctopoides
Helen K. Sharsmith
1963-2-16
5131 a
San Mateo
above Daly City (San Francisco Bay Region, San Bruno Mountain); San Francisco Bay Region, San Bruno Mountain
106
Comment
JROH5547
Sanicula bipinnata
John Rawlings
2013-4-15
1169
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Southeast side of creek and about 75 meters upstream of bridge on Trail 11.
136
Comment
POM133561
Sanicula bipinnata
L. R. Abrams
1901-03
1141
San Mateo
Woodside.
Comment
JROH325
Sanicula bipinnatifida
John Hunter Thomas
1977-4-28
18561
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH342
Sanicula crassicaulis
John Hunter Thomas
1977-6-16
18741
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA176825
Sanicula crassicaulis
John H. Thomas
1961-5-5
9212
San Mateo
Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Along San Francisquito Creek below Searsville Dam.
76
Comment
RSA667078
Sanicula crassicaulis
George K. Helmkamp, E. Helmkamp
2001-6-2
6784
San Mateo
Central CA coast: Purissima Crk Rd, E of Half Moon Bay at Purissima Crk, 3.2 mi E of CA-1
244
Comment
UCR122971
Sanicula laciniata
George K. Helmkamp, E. A. Helmkamp
2001-6-2
6774
San Mateo
San Francisco Bay Region, Purisima Creek Road, east of Half Moon Bay at Purisima Creek, 3.2 miles east of CA Hwy 1
244
Comment
RSA120731
Satureja douglasii
S. S. Tillett, Sternback
1956-6-24
s.n.
San Mateo
Middleton property, behind (N.) Portola Camp Store, just outside Portola State Park.
396
Comment
POM202470
Satureja douglasii
L. S. Rose
1933-6-9
s.n.
San Mateo
3 miles W of San Bruno.
Comment
JROH356
Scandix pecten-veneris
John Hunter Thomas
1981-5-14
20578
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC283131
Schedonorus arundinaceus
John Thomas Howell
1955-5-25
30354
San Mateo
Skyline Blvd. causeway, Crystal Springs Lake
Comment
JROH4417
Schoenoplectus acutus var. occidentalis
John Hunter Thomas
1988-6-2
24502
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Near old bridge.
Comment
CAS-BOT-BC111604
Schoenoplectus californicus
George Thomas Oberlander
1949-7-30
322
San Mateo
Marsh, San Andreas Lake
Comment
UC1100787
Scirpus cernuus
Herbert L. Mason
1949-7-7
14027
San Mateo
mouth of Gazos Creek near ocean (southern San Mateo County); mouth of Gazos Creek
Comment
UC1100905
Scirpus maritimus
Malcolm A. Nobs, S. Galen Smith
1949-8-25
1564
San Mateo
marshes at Sharp Park
Comment
UC1100829
Scirpus microcarpus
Malcolm A. Nobs, S. Galen Smith
1949-8-25
1559
San Mateo
marshes at Sharp Park
Comment
UC1100802
Scirpus pungens
Herbert L. Mason
1949-7-7
14025
San Mateo
mouth Gazos Creek (near ocean, s San Mateo Co.)
Comment
UC494236
Scoliopus bigelovii
Anna E. Ehlers
278
San Mateo
San Andreas
Comment
CAS-BOT-BC519006
Scoliopus bigelovii
W. R. Dudley
1895-3-5
s. n.
San Mateo
Kings Mt
Comment
CAS-BOT-BC519010
Scoliopus bigelovii
L. R. Abrams
1904-3-7
s. n.
San Mateo
Bear Gulch, Santa Cruz Mtn. Penn.
Comment
SEINET12050525
Scoliopus bigelovii
F. H. Utech
1988-1
88 -041
San Mateo
3.3 mi from junction of Kings Mt Rd & CA 35 on former enroute to Woodside
260
Comment
CDA7623
Scolymus hispanicus
T. C. Fuller
1965-7-8
13755
San Mateo
D. McBryde property, 140 Eleanor Drive, Woodside.
0
Comment
JROH5459
Scribneria bolanderi
John H. Thomas
1980-5-1
19912
San Mateo
Jasper Ridge Biological Preserve, Stanford University; Road D
Comment
SEINET12287674
Scrophularia californica
Unknown
1933-1
104
San Mateo
Mud Lake
Comment
CAS-BOT-BC240067
Secale cereale
Walter Knight; Irja Knight
1965-4-24
1038
San Mateo
San Bruno Mountain. Point San Bruno
Comment
JROH1895
Sedum spathulifolium
John H. Thomas
1971-4-25
15782
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC59056
Sedum spathulifolium
G. B. Rossbach
1939-6-18
756
San Mateo
Montar Mts, Ledge near no 755 on SE slope of North Peak.
396
Comment
CAS-BOT-BC59061
Sedum spathulifolium
G. B. Rossbach
1939-6-18
756
San Mateo
Ledge near 755 on SE slope of North Peak, Montara Mts.
396
Comment
CAS-BOT-BC363398
Senecio aronicoides
Fred Hemphill
1973-4-22
827
San Mateo
San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr.
207
Comment
UC36172
Senecio aronicoides
J. Burtt Davy
1895-4-20
1069
San Mateo
Crystal Springs Lake
Comment
CAS-BOT-BC363386
Senecio aronicoides
Walter Knight; Irja Knight
1965-2-28
869
San Mateo
Pacifica ca 300-400 yds E. of parking area
Comment
RSA0013330
Senecio aronicoides
A. D. E. Elmer
1903-05
4508
San Mateo
San Bruno Hills.
Comment
CAS-BOT-BC365648
Senecio elegans
John H. Thomas
1975-1-12
17673
San Mateo
Thornton Beach State Park in NW part of county
Comment
RSA195550
Senecio mikanioides
John H. Thomas
1967-2-9
12399
San Mateo
San Bruno. Near intersection of Skyline Blvd. and Berkshire Dr.
Comment
CAS-BOT-BC364240
Senecio sylvaticus
John H. Thomas
1961-5-7
9272
San Mateo
San Bruno Mountain in northern part of county
396
Comment
CAS-BOT-BC364239
Senecio sylvaticus
Javier Penalosa
1963-3-9
2668
San Mateo
San Bruno Mountain. Slopes southeast of 1314 ft. summit
381
Comment
JROH1223
Senecio vulgaris
John H. Thomas
1967-4-20
12706
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH1226
Senecio vulgaris
John H. Thomas
1973-4-14
16558
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC364636
Senecio vulgaris
John H. Thomas
1956-12-23
6481
San Mateo
At 198 Oak Court, Menlo Park
Comment
UCSC007780
Senecio vulgaris
Becky Hendricks
2012-5-16
s.n.
San Mateo
Ano Nuevo State Park
Comment
NY804113
Sequoia sempervirens
C. R. Broome
1978-7-2
2224
San Mateo
Kings Mountain Road, 1.5 miles W of its junction with CA Hwy 84.
Comment
RSA181221
Sequoia sempervirens
John H. Thomas
1964-11-29
10542
San Mateo
Jasper Ridge Biological Experimental Area, about 5 miles SW of Palo Alto; along San Francisquito Creek below dam.
Comment
JROH5894
Sequoia sempervirens
M. Ray
1982-5-14
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Redwood grove, San Francisquito Creek
Comment
SEINET10929338
Sequoia sempervirens
R. D. Sage
1992-1-6
Sage 13397
San Mateo
Collected along Purisima Creek Rd trail in Purisima Creek Redwoods Open Space Preserve. 9 km W of Woodside.
244
Comment
CAS-BOT-BC243556
Setaria parviflora
John Thomas Howell
1957-7-8
32805
San Mateo
Holy Cross Cemetery
Comment
CDA2435
Setaria parviflora
I. J. Campbell
1958-8-12
1015
San Mateo
Redwood City.
0
Comment
JROH3833
Sherardia arvensis
John H. Thomas
1974-4-4
17077
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA295088
Sherardia arvensis
Robert A. Norris
1981-4-7
4124
San Mateo
Near small paved road. Vista Point near Interstate Hwy 280. Ca 1.5 miles SE of jct with State Hwy 92.
Comment
SD114361
Sherardia arvensis
Darley F. Howe
1967-4-14
4350
San Mateo
7 miles from San Mateo on road to Half Moon Bay
121
Comment
UCD23457
Sherardia arvensis
E. A. Parzail
1949-8-1
s.n.
San Mateo
1144 Cortez Avenue, Burlingame.
Comment
SEINET3561109
Sidalcea diploscypha
Lewis S. Rose
1933-5-17
33167
San Mateo
Redwood City.
Comment
UCR231146
Sidalcea malviflora
R. F. Thorne, Percy C. Everett
1963-6-9
32221
San Mateo
Central Western; San Francisco Bay area, on top of San Bruno Mountain on Kamchatka Point near the TV tower
335
Comment
UC18913
Sidalcea malviflora subsp. laciniata
J. Burtt Davy
1895-4-20
1024
San Mateo
Millbrae
Comment
UC871437
Sidalcea malviflora subsp. laciniata
Alice Eastwood
1912-6-10
329
San Mateo
Crystal Springs
Comment
JROH1730
Silene gallica
John H. Thomas
1965-4-28
10595
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH1740
Silene gallica
John Hunter Thomas
1986-4-24
23978
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near Escobar Gate
Comment
CAS-BOT-BC389196
Silene laciniata subsp. californica
L. R. Abrams
1909-5-26
4237
San Mateo
Santa Cruz Peninsula. Between Woodside and Crystal Springs
Comment
CAS-BOT-BC175276
Silene verecunda
Elizabeth McClintock; Paul Reeberg
1988-8-12
s.n.
San Mateo
Grassland near Summit. San Bruno Mountains
Comment
JEPS59180
Silybum marianum
James G. Daly
1934-1
461
San Mateo
San Gregorio watershed , San Gregorio watershed (Santa Cruz Mts.)
Comment
CAS-BOT-BC75379
Sisymbrium orientale
Walter Knight; Irja Knight
1965-4-11
s.n.
San Mateo
San Bruno Mountains. Guadalupe Road about 0.5 mile from Radio Road.
Comment
JROH4444
Sisyrinchium bellum
John Hunter Thomas
1981-4-23
20488
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA133662
Sisyrinchium bellum
John H. Thomas
1950-3-19
1303
San Mateo
Near intersection of Coast Hwy and road to Swanton, 1 mile SE of mouth of Waddell Creek.
30
Comment
UC845034
Sisyrinchium bellum
Alice Eastwood
1915-6-13
4716
San Mateo
Granada
Comment
HSC59826
Sisyrinchium bellum
Clark L. Miller
1978-6-15
367
San Mateo
6 mi. S of Half Moon Bay off old Hwy. 1, 2 mi. in on Verde Rd.
61
Comment
RSA26886
Sisyrinchium bellum
R. C. Rollins
1941-3-22
2948
San Mateo
1 mile north of Belmont
Comment
UC1032495
Sisyrinchium californicum
H. S. Yates
1935-3-8
5218
San Mateo
2 mi sw of Pescadero
60
Comment
CAS-BOT-BC166666
Solanum americanum
Peter Rubtzoff; Roman Gankin
1974-12-17
7942
San Mateo
San Bruno Mountains. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction.
Comment
JEPS101208
Solanum americanum
Dean W. Taylor
1989-8-1
10409
San Mateo
Montara Mountain, saddle between North Peak and Montara Knob
518
Comment
JROH6178
Solanum americanum
John Rawlings
2017-10-3
2302
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Corte Madera Creek
111
Comment
CAS-BOT-BC157630
Solanum umbelliferum
Lewis S. Rose
1934-2-10
34024
San Mateo
Woodside
Comment
CAS-BOT-BC58477
Solanum umbelliferum
N. Cahill
1975-1-18
395
San Mateo
Near the intersection of Canada and Edgewood Rds, about 3 mi westward from Redwood City.
Comment
JROH4190
Solanum umbelliferum
John H. Thomas
1973-3-12
16496
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
NY820569
Solanum umbelliferum
L. Abrams
1914-4-2
5073
San Mateo
Woodside
Comment
POM222787
Solanum umbelliferum
S. S. Berry
1909-3-31
s.n.
San Mateo
San Francisquito Creek.
61
Comment
CAS-BOT-BC154181
Solanum umbelliferum
H. A. Dutton
1900-2-11
s.n.
San Mateo
Woodside, on Jasper
Comment
POM57198
Solidago californica
C. F. Baker
1902-10-1
1749
San Mateo
Pillar Point.
Comment
CAS-BOT-BC365745
Solidago spathulata
Walter Knight; Irja Knight; Elizabeth McClintock
1963-9-2
s.n.
San Mateo
San Bruno Mountain. Power Line Ridge
Comment
CAS-BOT-BC365750
Solidago spathulata
John H. Thomas
1961-8-27
9701
San Mateo
San Bruno Mountain in northern part of county
396
Comment
UCD18352
Solidago spathulata
J. Skoss
1948-8-22
121
San Mateo
San Vicente Canyon.
Comment
CAS-BOT-BC365189
Solidago velutina subsp. californica
Roxana S. Ferris
1920-9-3
2051
San Mateo
Santa Cruz Mountain Peninsula. Near the upper Mud Lake, Coal Mine Ridge
Comment
LA203968
Solidago velutina subsp. californica
U. S. Grant;
1926-9-6
IV
San Mateo
Kuiqs Mountain
609
Comment
CAS-BOT-BC365932
Soliva sessilis
Walter Knight; Irja Knight
1964-4-13
635
San Mateo
San Bruno Mountain. North Power Line Ridge road
Comment
CAS-BOT-BC365933
Soliva sessilis
Elizabeth McClintock
1965-3-28
s.n.
San Mateo
San Bruno Mountain. Slope at Flower Garden adjacent to April Brook
Comment
RSA130975
Soliva sessilis
W. R. Dudley
1895-6-6
s.n.
San Mateo
Near Pescadero Creek. The Santa Cruz Peninsula.
Comment
CAS-BOT-BC374497
Sonchus asper
Daniel Cohen
1953-5-9
75
San Mateo
Top of sea cliff at Pescadero
Comment
POM292654
Sonchus oleraceus
Lyman Benson
1928-12-15
837
San Mateo
Lake Searsville, Stanford, Santa Cruz, San Francisco Bay
152
Comment
CAS-BOT-BC374704
Sonchus oleraceus
Margaret A. Barry
1938-4-21
240
San Mateo
Coal Mine Ridge
Comment
JROH1260
Sonchus oleraceus
John H. Thomas
1964-11-29
10534
San Mateo
Jasper Ridge Biological Preserve, Stanford University; W end of Searsville Dam
Comment
UCSB17217
Sonchus oleraceus
Schulte, John
1963-4-26
San Mateo
Jasper Ridge, 3 miles southwest of Stanford Campus, between Santa Clara Valley and main front of Santa Cruz Mountains
152
Comment
CAS-BOT-BC235287
Sorghum bicolor
J. H. Thomas
1959-11-19
8513
San Mateo
Near Bayshore and University Avenue. East Palo Alto
Comment
POM182582
Sparganium erectum subsp. stoloniferum
D. D. Keck
1931-8-6
1264
San Mateo
Near Searsville Lake.
75
Comment
CAS-BOT-BC236626
Spartina foliosa
Ira L. Wiggins
1938-11-25
9213
San Mateo
Along Dumbarton Bridge approach.
Comment
CAS-BOT-BC390012
Spergula arvensis
Elizabeth McClintock
1965-3-28
s.n.
San Mateo
San Bruno Mountain. April Brook
Comment
CAS-BOT-BC390013
Spergula arvensis
Elizabeth McClintock; Walter Knight; Irja Knight
1963-9-2
s.n.
San Mateo
San Bruno Mountain. Top of ridge above Brisbane
Comment
RSA224264
Spergularia bocconi
P. H. Raven
1954-5-16
6954
San Mateo
Oceanic bluffs North of mouth of Lobos Creek.
Comment
RSA0098757
Spergularia macrotheca
E. B. Copeland
1903-6-5
3317
San Mateo
Montara Point.
Comment
CAS-BOT-BC390460
Spergularia macrotheca var. macrotheca
Ira L. Wiggins; Roxana S. Ferris
1939-8-2
9290 A
San Mateo
Ano [Ano] Nuevo Point
Comment
CAS-BOT-BC390477
Spergularia macrotheca var. macrotheca
Phillip C. Wheeler
1965-6-19
s.n.
San Mateo
San Bruno Mountain. Brisbane Lagoon
Comment
CAS-BOT-BC390455
Spergularia macrotheca var. macrotheca
J. H. Thomas
1949-6-4
584
San Mateo
1.4 miles S. of road leading to Pescadero
Comment
CAS-BOT-BC390469
Spergularia macrotheca var. macrotheca
David D. Keck
1933-5-11
2297
San Mateo
Montara Light House and Radio Station
Comment
SBBG25048
Spergularia marina
D. Myrick
1966-6-11
1452
San Mateo
ocean bluff at Pigeon Point off Hwy 1
Comment
CAS-BOT-BC390546
Spergularia media
S. D. Halsey
1908-10-1
s.n.
San Mateo
Redwood City
Comment
POM151816
Spergularia salina
C. F. Baker
1902-10-20
1859
San Mateo
Searsville.
Comment
SD39424
Spiranthes romanzoffiana
Edith A. Purer
1939-7-1
7928 C
San Mateo
Wet spot, snd dunes, Ano Nuevo Point.
Comment
CAS-BOT-BC173613
Spiranthes romanzoffiana
Peter Rubtzoff
1978-8-17
9258
San Mateo
Field redacted by CAS, contact the data manager for more information
Comment
UCD164462
Stachys ajugoides
Peter Rubtzoff
1977-6-21
9067
San Mateo
San Bruno Mountain. 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction, East Fork Colma Creek Canyon near upper rim.
Comment
UC100825
Stachys ajugoides var. ajugoides
J. Burtt Davy
1893-6-17
810
San Mateo
Belmont
Comment
UC702529
Stachys ajugoides var. ajugoides
L. S. Rose
1941-10-24
41469
San Mateo
Belmont
3
Comment
CDA41030
Stachys albens
Wm. Davis
1964-6-29
s.n.
San Mateo
Brown prop., San Bruno.
0
Comment
CDA20434
Stachys bullata
A. Gilbert
1997-6-8
s.n. - 5
San Mateo
San Francisco Bay Area; La Honda.
0
Comment
JEPS82539
Stachys bullata
Roger Raiche
1984-5-13
40151
San Mateo
San Pedro Creek Montara Mt.
30
Comment
JROH2898
Stachys bullata
John H. Thomas
1971-5-30
15977
San Mateo
Jasper Ridge Biological Preserve, Stanford University; below dam
Comment
JROH2901
Stachys bullata
John Hunter Thomas
1977-6-16
18793
San Mateo
Jasper Ridge Biological Preserve, Stanford University; along raised causeway
Comment
RSA116741
Stachys bullata
Josephine Randall
1907-6-8
187
San Mateo
Portola Valley. Santa Cruz Peninsula.
Comment
UCLA71370
Stachys bullata
Herbert L. Mason
1927-4-24
3700
San Mateo
mouth San Gregorio Creek
Comment
UCR122977
Stachys bullata
George K. Helmkamp, E. A. Helmkamp
2001-6-2
6771
San Mateo
San Francisco Bay Region, Purisima Creek Road, east of Half Moon Bay at Purisima Creek, 3.2 miles east of CA Hwy 1
244
Comment
RSA0076206
Stachys bullata
Lyman Benson
2804
San Mateo
San Francisquito Creek, San Mateo-Santa Clara County line. Stanford University, bed of San Francisquito Creek.
30
Comment
SEINET12343830
Stachys bullata
L. S. Rose
1932-5-3
32215
San Mateo
San Bruno
183
Comment
SEINET13948127
Stachys rigida
Lewis S. Rose
1950-1
50139
San Mateo
Emerald Lake region, alt ca 800 ft. hills W of Redwood City
244
Comment
RSA218025
Stachys rigida subsp. quercetorum
Elizabeth McClintock, Carlyn Halde
1963-6-23
s.n.
San Mateo
East-facing slope below parking lot, San Bruno Mountain
Comment
RSA785893
Stachys rigida subsp. quercetorum
Peter Rubtzoff
1975-10-11
8425
San Mateo
Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Northwest of Fog Forest.
Comment
UCD23431
Stachys rigida subsp. rivularis
A. Bennett
1977-5-29
39
San Mateo
0.7 miles north of Hayne Rd. intersection with Hwy 35. Collected on steep north facing slope in the shade of coast live oaks. Chaparral and oak woodland.
60
Comment
CAS-BOT-BC5590
Stachys rigida var. quercetorum
A. A. Heller
1907-5-28
8577
San Mateo
Above Crystal Springs on the Half Moon Bay road
137
Comment
JROH2894
Stachys rigida var. quercetorum
John Hunter Thomas
1978-4-20
19089
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC5588
Stachys rigida var. quercetorum
A. A. Heller
1907-5-28
8581
San Mateo
Back of San Mateo on the Half Moon Bay road, about 3 miles beyond San Mateo
91
Comment
NY380638
Stachys viarum
A. A. Heller
1907-5-28
8581
San Mateo
Back of San Mateo on the Half Moon Bay road
Comment
UC36684
Stebbinsoseris heterocarpa
Alice Eastwood
May 1890 - May 1896
San Mateo
Crystal Springs
Comment
CAS-BOT-BC394056
Stellaria media
John H. Thomas
1963-5-20
10125
San Mateo
Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz.
Comment
CAS-BOT-BC394062
Stellaria media
Fred Hemphill
1973-3-9
641
San Mateo
347 Alberta Way, Hillsborough (1 mile from Skyline Blvd.)
Comment
CAS-BOT-BC394063
Stellaria media
Margaret A. Barry
1937-5-15
88
San Mateo
Coal Mine Ridge
Comment
JROH1780
Stellaria media
John H. Thomas
1973-3-12
16489
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC375911
Stephanomeria virgata
Le Roy Abrams
1902-9-28
3002
San Mateo
New Grade Road - near Portola
Comment
RSA223602
Stephanomeria virgata
Elizabeth McClintock, Walter Knight, I. Knight
1967-8-1
s.n.
San Mateo
S side of Ridge Road, about 200 yards S of Parking Lot. San Bruno Mtns.
Comment
JROH5319
Stipa lepida
Duncan M. Porter
1960-4-22
649 A
San Mateo
Jasper Ridge Biological Preserve, Stanford University; meadow near crest of N-facing slope above Webb Ranch
Comment
JROH5323
Stipa lepida
John H. Thomas
1977-5-14
18610
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH5326
Stipa lepida
John Hunter Thomas
1988-4-28
24413
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
HSC13372
Stipa pulchra
L. S. Rose
1963-4-27
63000
San Mateo
Skyline Blvd., W of San Mateo
91
Comment
JROH5330
Stipa pulchra
John H. Thomas
1955-5-6
4995
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Small draw on south side of ridge.
182
Comment
RSA20106
Stuckenia pectinata
I. L. Wiggins
1935-6-29
8051
San Mateo
Pescadero Creek, about 1 mile west of Pescadero.
Comment
CAS-BOT-BC271640
Symphoricarpos albus var. laevigatus
J. I. McMurphy
1906-5-8
s.n.
San Mateo
Near Crystal Springs Lake, Santa Cruz Mountain Peninsula
Comment
JEPS85568
Symphoricarpos albus var. laevigatus
Craig Dremann
1986-8-30
326
San Mateo
near San Gregorio (on Stage road, 500 ft s of intersection of Seaside School road, next to road)
Comment
CAS-BOT-BC237068
Symphoricarpos mollis
Fred Hemphill
1973-4-15
672
San Mateo
Area north of Malabar Road and Melendy Drive, San Carlos
207
Comment
HSC23934
Symphoricarpos mollis
Mary Katherine Wicksten
1971-7-15
173
San Mateo
Huddart Park, on Rd. to Family Campground.
Comment
SEINET5579326
Symphoricarpos mollis
H. S. Gentry
1931-1
78
San Mateo
1 mile SE of Holy Cross Cemetery.
Comment
CAS-BOT-BC99086
Symphyotrichum chilense
John H. Thomas
1965-11-26
11454
San Mateo
At intersection of Tunitas Creek Road and Lobos Creek cutoff
121
Comment
UC87085
Symphyotrichum chilense
C. F. Baker
1902-9-2
1550
San Mateo
Crystal Springs Lake
Comment
CAS-BOT-BC99083
Symphyotrichum chilense
Le Roy Abrams
1900-10-1
1042
San Mateo
Portola
Comment
CAS-BOT-BC99084
Symphyotrichum chilense
W. R. Dudley
1895-9-21
s.n.
San Mateo
Menlo Park - Santa Cruz Mountain Peninsula
Comment
CAS-BOT-BC99090
Symphyotrichum chilense
W. R. Dudley
1905-9-24
s.n.
San Mateo
Black Mountain - Santa Cruz Peninsula
Comment
SEINET5540436
Symphyotrichum chilense
H. S. Gentry
1931-1
75
San Mateo
Collected about 1 mile SE of Holy Cross Cemetery.
Comment
JROH1279
Tanacetum parthenium
Carol Zabel
1989-8-11
30
San Mateo
Jasper Ridge Biological Preserve, Stanford University; San Francisquito Creek bank upstream 20 feet from low-flow crossing on Road C
Comment
UCR256289
Taraxacum officinale
Peter Rubtzoff
1976-5-22
8553
San Mateo
San Bruno Mountains, 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction
213
Comment
UCSB18577
Taraxacum officinale
Hutchinson, Sandra
1964-3-22
San Mateo
Backyard, 908 Patricia Ave., San Mateo
Comment
JROH2996
Taraxia ovata
W. R. Dudley
1894-3-23
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University; ridge between Portola Valley and Jasper Ridge E. of McDonald's Ranch
Comment
JROH3000
Taraxia ovata
Duncan M. Porter
1961-4-8
746
San Mateo
Jasper Ridge Biological Preserve, Stanford University; in large meadow at crest of ridge
Comment
CAS-BOT-BC447468
Tellima grandiflora
A. D. E. Elmer
1903-6-1
4702
San Mateo
Pescadero
Comment
RSA159427
Tellima grandiflora
John H. Thomas
1961-5-14
9363
San Mateo
Vicinity of Pilarcitos Stone Dam on Pilarcitos Creek. San Francisco Watershed Reserve.
152
Comment
RSA176767
Tellima grandiflora
John H. Thomas
1961-5-5
9209
San Mateo
Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Along San Francisquito Creek below Searsville Dam.
76
Comment
SEINET7076118
Tellima grandiflora
A. G. Vestal
1955-5-31
s.n.
San Mateo
La Honda Road (Route 86) at Redwood Terrace. (NAD 27; 37.3184? deg. North Latitude, 122.2959? deg. West Longitude, UTM Zone 10, 562392mE, 4130218mN). [GPS Coordinate: WGS84/NAD83].
Comment
UC203041
Tellima grandiflora
A. D. E. Elmer
Jun 1903
4702
San Mateo
Pescadero
Comment
CAS-BOT-BC389698
Tellima grandiflora
Mary K. Wicksten
1972-7-5
118
San Mateo
Huddart Park
Comment
UC634944
Thalictrum fendleri
H. L. Mason
1927-4-23
3680
San Mateo
summit of road between La Honda and Pescadero Creek
Comment
JROH3506
Thalictrum fendleri var. polycarpum
Daniel Cohen
1953-4-11
14
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Growing near roadside at edge of Searsville Lake
Comment
JROH3515
Thalictrum fendleri var. polycarpum
John Hunter Thomas
1991-4-11
24987
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC399841
Thalictrum polycarpum
A. D. E. Elmer
1903-6-1
4425
San Mateo
Butano Creek
Comment
CDA3888
Thlaspi arvense
W. Davis
1967-4-24
San Mateo
Southern Pacific Railroad, San Mateo.
0
Comment
CAS-BOT-BC66668
Thysanocarpus curvipes
John H. Thomas
1973-2-12
16453
San Mateo
Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto.
Comment
CAS-BOT-BC66671
Thysanocarpus curvipes
John H. Thomas
1974-5-3
17244
San Mateo
Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto.
Comment
CAS-BOT-BC66683
Thysanocarpus curvipes
Carl B. Wolf
1929-5-17
3716
San Mateo
1 mile west of Skyline Boulevard on Alpine Road.
304
Comment
JROH1592
Thysanocarpus curvipes subsp. curvipes
John Hunter Thomas
1981-4-4
20257
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC447579
Tiarella trifoliata var. unifoliata
D. E. Breedlove
1973-9-26
35562
San Mateo
Pescadero Creek County Park
365
Comment
JROH380
Torilis arvensis
John Hunter Thomas
1992-5-14
25230
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near boat ramp
Comment
JROH392
Torilis nodosa
John Hunter Thomas
1984-5-3
23330
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC81494
Torreya californica
W. R. D.
1895-3-26
s.n.
San Mateo
La Honda
Comment
CAS-BOT-BC81496
Torreya californica
W. R. D.
1894-3-24
s.n.
San Mateo
near fork of Alpine and San Gregorio road, La Honda
Comment
CAS-BOT-BC172905
Toxicodendron diversilobum
Ned Cahill
1974-5-13
241
San Mateo
Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City. Located within five feet of the stream.
Comment
JEPS121588
Toxicodendron diversilobum
Adam C. Schneider with C. Matt Guilliams
2013-4-7
116
San Mateo
Crystal Springs Reservoir
Comment
JROH5898
Toxicodendron diversilobum
M. Ray
1982-5-22
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University; trailside south of Searsville Lake
Comment
JEPS125912
Toxicoscordion fremontii var. minor
Dean W. Taylor
2002-3-20
17953
San Mateo
Franklin Point, coastal bluff, about 1 mile SE along the coast from actual point.
Comment
CAS-BOT-BC377138
Tragopogon porrifolius
Phillip Wheeler
1965-6-19
s.n.
San Mateo
San Bruno Mountain. Crocker Industrial Park
Comment
RSA128596
Tragopogon porrifolius
P. H. Raven
1950-6-3
2213
San Mateo
along Millbrae Ave., Millbrae.
61
Comment
JROH4297
Tribulus terrestris
Carol Zabel
2006-7-26
61
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Bear Creek crossing, east side of creek, behind metal stream gate
Comment
POM128507
Trientalis latifolia
L. R. Abrams
1902-5-20
2468
San Mateo
Kings Mountain
Comment
RSA116747
Trientalis latifolia
Josephine Randall
1907-4-27
s.n.
San Mateo
KingsM Mt.
Comment
RSA14358
Trientalis latifolia
Elmer I. Applegate
1895-4-6
328 a
San Mateo
Shady arroya in hills above Stanford University
Comment
UCSC010356
Trifolium
Dylan M. Neubauer
2016-5-19
690
San Mateo
(SnFrB) Santa Cruz Mountains, headwaters of Waterman Creek, w of Hwy 9
423
Comment
JEPS127793
Trifolium albopurpureum
Adam C. Schneider with C. Matt Guilliams
2013-4-7
64
San Mateo
Along Dirt Road running parallel to overhead power transmission lines. GPS coordinates approximate.
Comment
SEINET11173447
Trifolium albopurpureum
A. A. Heller
1907-5-23
8554
San Mateo
Back of San Mateo on the Half Moon Bay road
Comment
UCSB18282
Trifolium albopurpureum
Muirhead, M.
1964-4-17
San Mateo
Crocker Estate, Hillsborough
76
Comment
JROH2241
Trifolium barbigerum
John H. Thomas
1974-4-25
17202
San Mateo
Jasper Ridge Biological Preserve, Stanford University; on top of ridge
Comment
JROH2242
Trifolium barbigerum
John Hunter Thomas
1982-5-18
20941
San Mateo
Jasper Ridge Biological Preserve, Stanford University; along SLAC fence
Comment
SEINET11173562
Trifolium barbigerum
A. A. Heller
1905-5-15
7842
San Mateo
Near Alma
Comment
JEPS127847
Trifolium bifidum var. bifidum
Adam C. Schneider with C. Matt Guilliams
2013-4-7
85
San Mateo
Comment
UC16452
Trifolium ciliolatum
J. Burtt Davy
1895-4-20
1086
San Mateo
San Mateo Creek
Comment
JROH2257
Trifolium ciliolatum
John H. Thomas
1975-4-30
17842
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near Escobar Gate
Comment
JROH2262
Trifolium depauperatum var. amplectens
John Hunter Thomas
1981-4-21
20463 A
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH2273
Trifolium depauperatum var. truncatum
John H. Thomas
1974-4-25
17205
San Mateo
Jasper Ridge Biological Preserve, Stanford University; on top of ridge
Comment
JROH2229
Trifolium dichotomum
John H. Thomas
1957-4-16
6655
San Mateo
Jasper Ridge Biological Preserve, Stanford University; on top of ridge and adjacent slopes
Comment
JROH2231
Trifolium dichotomum
John H. Thomas
1966-4-22
11574
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CHSC39833
Trifolium fucatum
Maibelle Williams
1929-5-10
San Mateo
Moss Beach.
Comment
JROH2281
Trifolium fucatum
Marie Tifft
1952-5-10
42
San Mateo
Jasper Ridge Biological Preserve, Stanford University; above Searsville Lake
Comment
JROH2304
Trifolium fucatum
John Hunter Thomas
1986-4-30
23985
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UCSC006013
Trifolium fucatum var. fucatum
Randall Morgan
1996-5-8
2933
San Mateo
Seed from Pescadero State Beach
Comment
JROH2330
Trifolium hirtum
John Hunter Thomas
1988-6-2
24498
San Mateo
Jasper Ridge Biological Preserve, Stanford University; beach
Comment
JROH2319
Trifolium hirtum
John Hunter Thomas
1981-5-14
20576
San Mateo
Jasper Ridge Biological Preserve, Stanford University; along dirt road near main entrance
Comment
UCSC005962
Trifolium macraei
Randall Morgan
1995-6-6
2726
San Mateo
Occasional at Bean Hollow State Beach
Comment
JEPS127794
Trifolium microdon
Adam C. Schneider with C. Matt Guilliams
2013-4-7
67
San Mateo
Along Dirt Road running parallel to overhead power transmission lines. GPS coordinates approximate.
Comment
POM20503
Trifolium microdon
A. D. E. Elmer
1903-06
4628
San Mateo
Portola.
Comment
UCSC006035
Trifolium microdon
Randall Morgan
1996-5-24
2965
San Mateo
Pacifica, San Pedro Mtn.
Comment
JROH2340
Trifolium oliganthum
John H. Thomas
1968-4-19
14306
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UCSC006059
Trifolium oliganthum
Randall Morgan
1996-5-24
2972
San Mateo
Pescadero Creek
Comment
JROH2380
Trifolium variegatum
John H. Thomas
1968-4-19
14302
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UCSC006363
Trifolium variegatum
Randall Morgan
1995-6-6
2725
San Mateo
Group at Bean Hollow State Beach 2.5 mi S of Pescadero Rd.
Comment
JROH2397
Trifolium willdenovii
John H. Thomas
1967-4-28
12720
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH2401
Trifolium willdenovii
John H. Thomas
1971-4-24
15777
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CHSC57084
Trifolium wormskioldii
Steven Triano
1988-5-24
210
San Mateo
Located ca 750 ft s of Hwy. 1 and 2.9 mi s of Pigeon Point Light Station.
24
Comment
POM207964
Trifolium wormskioldii
Jens Clausen
1939-7-1
1746
San Mateo
Ano Nuevo Point.
Comment
POM126713
Trifolium wormskioldii
R. L. Pendleton
1907-4-20
592
San Mateo
Lake Merced.
30
Comment
RSA51346
Trifolium wormskioldii
Peter H. Raven
1950-4-30
s.n.
San Mateo
Up a road about 1/2 mile N of Montara.
30
Comment
UCD164094
Trifolium wormskioldii
Peter Rubtzoff
1978-5-5
9166
San Mateo
San Bruno Mountains. 'Saddle' area on N side of Guadalupe Canyon Parkway west of Radio Road junction, upper part of East Fork Colma Creek Canyon.
Comment
JROH4730
Trillium chloropetalum
John H. Thomas
1978-4-8
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
HSC101806
Trillium chloropetalum
Kjirsten A. Wayman, Brett Hall, Jim West
2012-3-23
303
San Mateo
Gazos Creek Road, between Hwy 1 and Cloverdale Rd. N 37.17445 W 122.35336
3
Comment
JROH4723
Trillium chloropetalum
John H. Thomas
1969-4-12
14892
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA15271
Trillium chloropetalum var. chloropetalum
Carl B. Wolf
1927-3-6
236
San Mateo
Los Trancos Creek, 2 miles back of Stanford University.
Comment
CAS-BOT-BC521062
Trillium chloropetalum var. giganteum
Walter & Irja Knight
1965-3-21
995
San Mateo
San Bruno Mountain
Comment
CAS-BOT-BC521063
Trillium chloropetalum var. giganteum
Elizabeth McClintock
1965-3-28
s.n.
San Mateo
San Bruno Mountain
Comment
POM193595
Trillium chloropetalum var. giganteum
W. R. Dudley
1900-3-16
s.n.
San Mateo
By trail north of Tripps Stone, Woodside.
Comment
POM193597
Trillium chloropetalum var. giganteum
W. R. Dudley
1900-3-17
s.n.
San Mateo
Ravine south side of Montana Mountains.
Comment
RSA378199
Trillium chloropetalum var. giganteum
Carl B. Wolf
1927-2-17
200
San Mateo
2 miles back of Stanford University along San Francisquito Creek.
61
Comment
CAS-BOT-BC133448
Trillium ovatum
L. R. Abrams
1898-3-5
s.n.
San Mateo
Kings Mt.
Comment
SD39140
Trillium sessile
Edith A. Purer
1933-4-18
3619
San Mateo
No further locality information given on label on specimen sheet.
Comment
UC27279
Triphysaria eriantha subsp. rosea
Harley P. Chandler
1901-3-15
793
San Mateo
Colma; Region of San Francisco Bay, Colma
Comment
CAS-BOT-BC238558
Triphysaria floribunda
Alice Eastwood
1915-5-6
s.n.
San Mateo
Burlingame
Comment
JROH5612
Triphysaria pusilla
John Rawlings
2014-4-11
1215
San Mateo
Jasper Ridge Biological Preserve, Stanford University; in road G immediately north of its intersection with Rd. J.
105
Comment
JROH4740
Triteleia hyacinthina
John Hunter Thomas
1978-5-12
19201
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UC635229
Triteleia hyacinthina
Margaret Stason
1924-5-18
San Mateo
Jasper Ridge Sandhill Road
Comment Read comments Sep 19 2011
CAS-BOT-BC523097
Triteleia ixioides subsp. ixioides
Fred Hemphill
1973-5-14
829
San Mateo
San Carlos, area north of Malabar Road and Melendy Drive
207
Comment
CAS-BOT-BC523100
Triteleia ixioides subsp. ixioides
C. F. Leithold
1893-5-27
s.n.
San Mateo
Santa Cruz Peninsula, road between Woodside and King's Mountain
Comment
CAS-BOT-BC526367
Triteleia laxa
David D. Keck
1932-5-6
1466
San Mateo
Belmont
Comment
IRVC9054
Triteleia laxa
P. W. Rundel
1963-6-11
1118
San Mateo
San Fransisco Bay drainage area; Old La Honda Road. Santa Cruz Mountain Range
305
Comment
CAS-BOT-BC200486
Triticum aestivum
Walter Knight; Irja Knight
1965-4-24
1037
San Mateo
Point San Bruno
Comment
JEPS54258
Tropidocarpum gracile
R. J. S.
1908-3-25
San Mateo
Los Buellas hills Mt. Hamilton Range
Comment
POM282155
Typha angustifolia
Lyman Benson
1931-5-16
2802
San Mateo
San Mateo.
91
Comment
JROH5578
Typha latifolia
John Rawlings
2012-7-9
1202
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Near upper lake (west of Portola Rd.) adjacent to power line right-of-way.
106
Comment
UCSB54155
Ulex europaeus
Brownell, Kathleen
1979-3-27
San Mateo
9 mi. S of Butano State Park turnoff
21
Comment
JROH4223
Ulmus minor
John Hunter Thomas
1989-5-11
24737
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Near bridge over two parts of lake
Comment
JROH4226
Ulmus minor
John Hunter Thomas
1992-5-14
25222
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Near boat ramp
Comment
CAS-BOT-BC91227
Umbellularia californica
Ned Cahill
1974-4-30
234
San Mateo
Near the intersection of Canada and Edgewater roads, about 3 miles westward from Redwood City.
Comment
JROH139
Umbellularia californica
John H. Thomas
1974-10-12
17621
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA15629
Umbellularia californica
C. B. Wolf
1928-2-11
1471
San Mateo
East base of Kings Mt. road.
Comment
RSA681685
Umbellularia californica
Deb Annuschka
1989-2-24
S.N.
San Mateo
Yerba Buena Herbarium, Woodside. On slope next to path behind potting barn.
Comment
CAS-BOT-BC382764
Uropappus lindleyi
Lewis S. Rose
1933-4-30
33127
San Mateo
Redwood City
Comment
JROH1297
Uropappus lindleyi
John Hunter Thomas
1992-5-5
25209
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
UC5968
Urtica dioica subsp. holosericea
J. Burtt Davy
1895-3-20
1055
San Mateo
Lake Pilarcitos
Comment
CAS-BOT-BC404026
Urtica dioica subsp. holosericea
Saichi Kawahara
1968-7-29
463
San Mateo
Side road off Old Stage Road at south bank of Pomponio Creek
36
Comment
JEPS43426
Urtica urens
W. L. Jepson
1921-4-3
9105
San Mateo
Colma, Colma Canyon Colma Canyon; Colma, Colma Canyon
Comment
CAS-BOT-BC412536
Urtica urens
John H. Thomas
1968-12-18
14870
San Mateo
About 1 mile west of Pescadero toward the coast
Comment
CAS-BOT-BC199178
Vaccinium cespitosum
John H. Thomas
1963-9-11
10264
San Mateo
San Bruno Mountain in northern part of county
396
Comment
CAS-BOT-BC199180
Vaccinium cespitosum
Elizabeth McClintock; Paul Reeberg
1988-8-12
s.n.
San Mateo
West facing slope of Kamchatka Point
Comment
RSA15307
Vaccinium ovatum
C. B. Wolf
1927-4-3
277
San Mateo
1 mi. west of Summit of La Honda grade, Santa Cruz Mts.
Comment
RSA624004
Vaccinium ovatum
James I. McMurphy
1906-5-20
79
San Mateo
Kings Mountain, Santa Cruz Mts.
457
Comment
SBBG9304
Vaccinium ovatum
W. D. McLellan
1954-5-17
59
San Mateo
Memorial Park near Pescadero
Comment
UC571031
Vaccinium ovatum
H. L. Mason
1928-2-22
4165
San Mateo
Summit of San Bruno Mountains
Comment
UC306548
Vaccinium parvifolium
A. D. E. Elmer
May 1903
4924
San Mateo
Butano Creek
Comment
SEINET3293271
Vancouveria hexandra
Lewis S. Rose
1932-5-24
32269
San Mateo
Kings mountain, forest
Comment
CAS-BOT-BC76137
Vancouveria planipetala
A. D. E. Elmer
1903-5-1
4922
San Mateo
On the Pescadero Creek, Iverson's Place.
Comment
CAS-BOT-BC76142
Vancouveria planipetala
W. R. Dudley
1905-6-12
s.n.
San Mateo
Santa Cruz Mountain Peninsula. Road beyond Iverson's near Pescadero Creek.
Comment
JROH4147
Verbascum thapsus
John Hunter Thomas
1981-9-24
20746
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH4260
Verbena lasiostachys var. lasiostachys
John H. Thomas
1974-6-30
17467
San Mateo
Jasper Ridge Biological Preserve, Stanford University. Near the low flow crossing
Comment
JROH4279
Verbena lasiostachys var. scabrida
John Hunter Thomas
1982-7-3
21065
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
RSA82516
Verbena robusta
J. T. Howell
1939-6-16
14745
San Mateo
Crystal Springs Lake.
Comment
CDA19090
Veronica americana
J. Beall
2001-4-24
PDR 064439
San Mateo
Belmont Creek at Old Country Rd., Belmont.
0
Comment
POM283785
Veronica peregrina subsp. xalapensis
Lyman D. Benson
1930-5-3
2119
San Mateo
Lake Searsville, Stanford Univ. San Francisco Bay watershed, Santa Cruz mtn range.
183
Comment
JROH4152
Veronica persica
John H. Thomas
1964-4-11
10308
San Mateo
Jasper Ridge Biological Preserve, Stanford University; to the nw of the dam
Comment
SEINET12157683
Vicia americana
M. T. Doutt
1931-1
s.n.
San Mateo
Ano Nuevo Point
Comment
CAS-BOT-BC173532
Vicia angustifolia
Peter Rubtzoff
1977-6-21
9062
San Mateo
Saddle area on N side of Guadalupe Canyon Parkway west of Radio Road junction, upper part of East Fork Colma Creek Canyon
Comment
JROH2427
Vicia benghalensis
John Hunter Thomas
1977-6-16
18797 -2
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CHSC23153
Vicia gigantea
Robert A. Schlising
1963-2-23
2435
San Mateo
Coast Range. 21 miles north of Davenport, along Highway 1.
Comment
JROH2435
Vicia sativa subsp. nigra
John H. Thomas
1975-4-19
17798
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH2445
Vicia sativa subsp. sativa
John H. Thomas
1978-5-23
s.n.
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH425
Vinca major
John Hunter Thomas
1985-5-2
23577
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC264031
Viola adunca
W. R. Dudley
1896-12-31
s.n.
San Mateo
Santa Cruz Mountain Peninsula. Between San Gregorio and Pescadero, near sea
Comment
CAS-BOT-BC264041
Viola adunca
Elizabeth McClintock
1965-3-14
s.n.
San Mateo
San Bruno Mountain. Cable Ravine, on left ridge
Comment
CAS-BOT-BC536572
Viola glabella
Mrs. E. C. Sutliffe
1921-4-3
s.n.
San Mateo
Lake Pilarcitos
Comment
CAS-BOT-BC536573
Viola glabella
Charles Piper Smith
1908-3-28
1369
San Mateo
Woodside--Kings Mt. road
Comment
CHSC13860
Viola ocellata
S. Villard
1974-4-28
2
San Mateo
Kings Mountain Rd., Woodside. 1 mi. W of Mounted Patrol Grounds on both sides of the rd.
152
Comment
SD38904
Viola ocellata
Edith A. Purer
1933-4-25
3645
San Mateo
King's Mountain Road
Comment
UC140860
Viola ocellata
C. F. Baker
1902-3-18
333
San Mateo
Kings Mountain
Comment
RSA101046
Viola ocellata
G. Oberlander
1949-7-30
353
San Mateo
On Cahill Ridge, San Francisco Watershed Reserve.
Comment
RSA130977
Viola ocellata
Lucile Roush
1918-3-31
s.n.
San Mateo
Santa Cruz Peninsula; Sierra Morena.
Comment
RSA95500
Viola ocellata
L. S. Rose
1954-5-17
54045
San Mateo
Kings Mountain.
610
Comment
RSA412720
Viola pedunculata
Glenn A. Gorelick
1967-4-15
s.n.
San Mateo
San Bruno Mts. overlooking Daly City near San Francisco.
Comment
RSA412721
Viola pedunculata
L. S. Rose
1941-3-20
41047
San Mateo
Milbrae.
122
Comment
SBBG32255
Viola pedunculata
L. S. Rose
1968-3-26
68010
San Mateo
S base of San Bruno Mtn; South San Francisco
30
Comment
POM134912
Viola sempervirens
A. D. E. Elmer
1903-05
4565
San Mateo
Kings Mountain.
Comment
CAS-BOT-BC199847
Vulpia bromoides
W. R. Dudley
1901-5-11
s.n.
San Mateo
Near Colma
Comment
CAS-BOT-BC199854
Vulpia bromoides
Louis F. Pitelka
1973-4-30
s.n.
San Mateo
Bolsa Point, about 1 mi N of Pigeon Point and about 39 mi S of San Francisco
Comment
POM296530
Vulpia bromoides
Lyman Benson
1935-5-5
6540
San Mateo
Lake Searsville. Stanford University. Santa Cruz Mtn range. S.F. Bay watershed.
152
Comment
RSA790263
Vulpia bromoides
Peter Rubtzoff
1977-4-16
8948
San Mateo
San Bruno Mtn: 'Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction.
Comment
CAS-BOT-BC184550
Vulpia microstachys var. pauciflora
H. A. Dutton
1900-3-11
s.n.
San Mateo
Woodside
Comment
CAS-BOT-BC185772
Vulpia myuros subsp. megalura
W. R. Dudley
1900-5-19
s.n.
San Mateo
Summit La Honda Stage Road
Comment
CAS-BOT-BC185773
Vulpia myuros subsp. megalura
George Oberlander
1950-5-2
942
San Mateo
San Andreas Lake
Comment
CAS-BOT-BC185992
Vulpia myuros var. myuros
Walter Knight; Irja Knight
1965-6-20
s.n.
San Mateo
Crystal Cave Canyon
Comment
CAS-BOT-BC185993
Vulpia myuros var. myuros
J. H. Thomas
1954-4-3
3838
San Mateo
Pilarcitos Creek Road, 3.5 miles NE of Halfmoon [Half Moon] Bay
121
Comment
CAS-BOT-BC128730
Whipplea modesta
J. H. Thomas
1949-4-14
271
San Mateo
King's Mountain
Comment
CAS-BOT-BC128769
Whipplea modesta
David D. Keck
1932-5-11
1498
San Mateo
Above Woodsie on La Honda Road, east slope of Santa Cruz Mtns.
Comment
JROH2713
Whipplea modesta
John Rawlings
2007-4-1
0995
San Mateo
Jasper Ridge Biological Preserve, Stanford University. On slope above south side of Bear Creek a few yards before San Francisquito Creek confluence.
81
Comment
UC136593
Whipplea modesta
C. F. Baker
1902-4-12
502
San Mateo
La Honda
Comment
CAS-BOT-BC77911
Woodwardia fimbriata
George Oberlander
1949-9-25
399
San Mateo
Pilarcitos Canyon
Comment
CAS-BOT-BC383210
Wyethia angustifolia
Le Roy Abrams
1902-4-13
2334
San Mateo
Lake San Andreas
Comment
JEPS90113
Wyethia angustifolia
Dean W. Taylor
1988-3-30
9473
San Mateo
n slope of se ridge of San Bruno Mountain near the ridgecrest, Right-of-way of eastern-most set of PG&E high-voltage powerlines crossing the mountain San Bruno Mountain; Santa Cruz Mountains, San Bruno Mountain
237
Comment
CAS-BOT-BC383206
Wyethia angustifolia
W. R. Dudley
1900-3-18
s.n.
San Mateo
Santa Cruz Peninsula. Hill east of San Pedro beach and north of Montara Mts.
Comment
CAS-BOT-BC383219
Wyethia angustifolia
Alice Eastwood
1933-4-30
s.n.
San Mateo
Between Millbrae & L. San Andreas
Comment
HSC81856
Wyethia angustifolia
Thomas W. Nelson, Jane P. Nelson
1980-5-3
5134
San Mateo
Intersection of Hwy. 92 and Hwy. 280, W of San Mateo.
Comment
SEINET11799541
Wyethia angustifolia
M. T. Doutt
1931-1
420
San Mateo
Skyline Blvd, W of Hillbrae
Comment
JROH1313
Wyethia glabra
John H. Thomas
1974-4-25
17210
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near Searsville end of ridge
Comment
CAS-BOT-BC383342
Wyethia helenioides
W. R. Dudley
1894-3-24
s.n.
San Mateo
Santa Cruz Peninsula. Ridge between La Honda and Pescadero Creeks
Comment
JROH2551
Zeltnera muehlenbergii
John H. Thomas
1967-11-5
14134
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH2552
Zeltnera muehlenbergii
John H. Thomas
1967-11-5
14134
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH2574
Zeltnera muehlenbergii
John Hunter Thomas
1990-7-4
24870
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
JROH2578
Zeltnera muehlenbergii
John Hunter Thomas
1992-7-24
25391
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
HSC23944
Zeltnera muehlenbergii
Mary Katherine Wicksten
1971-6-15
9
San Mateo
Huddart Park, near Werder Flat
Comment
JROH2567
Zeltnera muehlenbergii
John Hunter Thomas
1982-7-8
21081
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
CAS-BOT-BC527105
Zigadenus
Everett O'Bannon; Nancy O'Bannon
1956-4-15
s.n.
San Mateo
Sawyer's Road, near Crystal Springs Lake above Burlingame and Millbrae
Comment
UC277215
Zigadenus fremontii
H. M. Hall
1923-2-20
11843
San Mateo
3 mi s L. H. (Pigeon Point); Pigeon Point
Comment
CAS-BOT-BC531544
Zigadenus fremontii
Roland Brock
1924-5-1
s.n.
San Mateo
Kings Mountain
Comment